389012800

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:118

約数の個数: 252

約数和(自身を含む): 1125919008

約数和(自身を除く): 736906208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 31, 32, 40, 44, 46, 50, 55, 62, 64, 80, 88, 92, 100, 110, 115, 124, 155, 160, 176, 184, 200, 220, 230, 248, 253, 275, 310, 320, 341, 352, 368, 400, 440, 460, 496, 506, 550, 575, 620, 682, 704, 713, 736, 775, 800, 880, 920, 961, 992, 1012, 1100, 1150, 1240, 1265, 1364, 1426, 1472, 1550, 1600, 1705, 1760, 1840, 1922, 1984, 2024, 2200, 2300, 2480, 2530, 2728, 2852, 3100, 3410, 3520, 3565, 3680, 3844, 4048, 4400, 4600, 4805, 4960, 5060, 5456, 5704, 6200, 6325, 6820, 7130, 7360, 7688, 7843, 8096, 8525, 8800, 9200, 9610, 9920, 10120, 10571, 10912, 11408, 12400, 12650, 13640, 14260, 15376, 15686, 16192, 17050, 17600, 17825, 18400, 19220, 20240, 21142, 21824, 22103, 22816, 24025, 24800, 25300, 27280, 28520, 30752, 31372, 34100, 35650, 36800, 38440, 39215, 40480, 42284, 44206, 45632, 48050, 49600, 50600, 52855, 54560, 57040, 61504, 62744, 68200, 71300, 76880, 78430, 80960, 84568, 88412, 96100, 101200, 105710, 109120, 110515, 114080, 125488, 136400, 142600, 153760, 156860, 169136, 176824, 192200, 196075, 202400, 211420, 221030, 228160, 243133, 250976, 264275, 272800, 285200, 307520, 313720, 338272, 353648, 384400, 392150, 404800, 422840, 442060, 486266, 501952, 528550, 545600, 552575, 570400, 627440, 676544, 707296, 768800, 784300, 845680, 884120, 972532, 1057100, 1105150, 1140800, 1215665, 1254880, 1414592, 1537600, 1568600, 1691360, 1768240, 1945064, 2114200, 2210300, 2431330, 2509760, 3137200, 3382720, 3536480, 3890128, 4228400, 4420600, 4862660, 6078325, 6274400, 7072960, 7780256, 8456800, 8841200, 9725320, 12156650, 12548800, 15560512, 16913600, 17682400, 19450640, 24313300, 35364800, 38901280, 48626600, 77802560, 97253200, 194506400, 389012800]

約数ペア:

[(1, 389012800), (2, 194506400), (4, 97253200), (5, 77802560), (8, 48626600), (10, 38901280), (11, 35364800), (16, 24313300), (20, 19450640), (22, 17682400), (23, 16913600), (25, 15560512), (31, 12548800), (32, 12156650), (40, 9725320), (44, 8841200), (46, 8456800), (50, 7780256), (55, 7072960), (62, 6274400), (64, 6078325), (80, 4862660), (88, 4420600), (92, 4228400), (100, 3890128), (110, 3536480), (115, 3382720), (124, 3137200), (155, 2509760), (160, 2431330), (176, 2210300), (184, 2114200), (200, 1945064), (220, 1768240), (230, 1691360), (248, 1568600), (253, 1537600), (275, 1414592), (310, 1254880), (320, 1215665), (341, 1140800), (352, 1105150), (368, 1057100), (400, 972532), (440, 884120), (460, 845680), (496, 784300), (506, 768800), (550, 707296), (575, 676544), (620, 627440), (682, 570400), (704, 552575), (713, 545600), (736, 528550), (775, 501952), (800, 486266), (880, 442060), (920, 422840), (961, 404800), (992, 392150), (1012, 384400), (1100, 353648), (1150, 338272), (1240, 313720), (1265, 307520), (1364, 285200), (1426, 272800), (1472, 264275), (1550, 250976), (1600, 243133), (1705, 228160), (1760, 221030), (1840, 211420), (1922, 202400), (1984, 196075), (2024, 192200), (2200, 176824), (2300, 169136), (2480, 156860), (2530, 153760), (2728, 142600), (2852, 136400), (3100, 125488), (3410, 114080), (3520, 110515), (3565, 109120), (3680, 105710), (3844, 101200), (4048, 96100), (4400, 88412), (4600, 84568), (4805, 80960), (4960, 78430), (5060, 76880), (5456, 71300), (5704, 68200), (6200, 62744), (6325, 61504), (6820, 57040), (7130, 54560), (7360, 52855), (7688, 50600), (7843, 49600), (8096, 48050), (8525, 45632), (8800, 44206), (9200, 42284), (9610, 40480), (9920, 39215), (10120, 38440), (10571, 36800), (10912, 35650), (11408, 34100), (12400, 31372), (12650, 30752), (13640, 28520), (14260, 27280), (15376, 25300), (15686, 24800), (16192, 24025), (17050, 22816), (17600, 22103), (17825, 21824), (18400, 21142), (19220, 20240)]