813390400

素因数分解:

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

素因数の和:130

約数の個数: 189

約数和(自身を含む): 2161920873

約数和(自身を除く): 1348530473

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 64, 80, 92, 100, 115, 124, 155, 160, 184, 200, 230, 248, 310, 320, 368, 400, 460, 496, 529, 575, 620, 713, 736, 775, 800, 920, 961, 992, 1058, 1150, 1240, 1426, 1472, 1550, 1600, 1840, 1922, 1984, 2116, 2300, 2480, 2645, 2852, 3100, 3565, 3680, 3844, 4232, 4600, 4805, 4960, 5290, 5704, 6200, 7130, 7360, 7688, 8464, 9200, 9610, 9920, 10580, 11408, 12400, 13225, 14260, 15376, 16399, 16928, 17825, 18400, 19220, 21160, 22103, 22816, 24025, 24800, 26450, 28520, 30752, 32798, 33856, 35650, 36800, 38440, 42320, 44206, 45632, 48050, 49600, 52900, 57040, 61504, 65596, 71300, 76880, 81995, 84640, 88412, 96100, 105800, 110515, 114080, 131192, 142600, 153760, 163990, 169280, 176824, 192200, 211600, 221030, 228160, 262384, 285200, 307520, 327980, 353648, 384400, 409975, 423200, 442060, 508369, 524768, 552575, 570400, 655960, 707296, 768800, 819950, 846400, 884120, 1016738, 1049536, 1105150, 1140800, 1311920, 1414592, 1537600, 1639900, 1768240, 2033476, 2210300, 2541845, 2623840, 3279800, 3536480, 4066952, 4420600, 5083690, 5247680, 6559600, 7072960, 8133904, 8841200, 10167380, 12709225, 13119200, 16267808, 17682400, 20334760, 25418450, 26238400, 32535616, 35364800, 40669520, 50836900, 81339040, 101673800, 162678080, 203347600, 406695200, 813390400]

約数ペア:

[(1, 813390400), (2, 406695200), (4, 203347600), (5, 162678080), (8, 101673800), (10, 81339040), (16, 50836900), (20, 40669520), (23, 35364800), (25, 32535616), (31, 26238400), (32, 25418450), (40, 20334760), (46, 17682400), (50, 16267808), (62, 13119200), (64, 12709225), (80, 10167380), (92, 8841200), (100, 8133904), (115, 7072960), (124, 6559600), (155, 5247680), (160, 5083690), (184, 4420600), (200, 4066952), (230, 3536480), (248, 3279800), (310, 2623840), (320, 2541845), (368, 2210300), (400, 2033476), (460, 1768240), (496, 1639900), (529, 1537600), (575, 1414592), (620, 1311920), (713, 1140800), (736, 1105150), (775, 1049536), (800, 1016738), (920, 884120), (961, 846400), (992, 819950), (1058, 768800), (1150, 707296), (1240, 655960), (1426, 570400), (1472, 552575), (1550, 524768), (1600, 508369), (1840, 442060), (1922, 423200), (1984, 409975), (2116, 384400), (2300, 353648), (2480, 327980), (2645, 307520), (2852, 285200), (3100, 262384), (3565, 228160), (3680, 221030), (3844, 211600), (4232, 192200), (4600, 176824), (4805, 169280), (4960, 163990), (5290, 153760), (5704, 142600), (6200, 131192), (7130, 114080), (7360, 110515), (7688, 105800), (8464, 96100), (9200, 88412), (9610, 84640), (9920, 81995), (10580, 76880), (11408, 71300), (12400, 65596), (13225, 61504), (14260, 57040), (15376, 52900), (16399, 49600), (16928, 48050), (17825, 45632), (18400, 44206), (19220, 42320), (21160, 38440), (22103, 36800), (22816, 35650), (24025, 33856), (24800, 32798), (26450, 30752)]