252166400

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 162

約数和(自身を含む): 660664746

約数和(自身を除く): 408498346

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 41, 50, 62, 64, 80, 82, 100, 124, 128, 155, 160, 164, 200, 205, 248, 256, 310, 320, 328, 400, 410, 496, 620, 640, 656, 775, 800, 820, 961, 992, 1025, 1240, 1271, 1280, 1312, 1550, 1600, 1640, 1922, 1984, 2050, 2480, 2542, 2624, 3100, 3200, 3280, 3844, 3968, 4100, 4805, 4960, 5084, 5248, 6200, 6355, 6400, 6560, 7688, 7936, 8200, 9610, 9920, 10168, 10496, 12400, 12710, 13120, 15376, 16400, 19220, 19840, 20336, 24025, 24800, 25420, 26240, 30752, 31775, 32800, 38440, 39401, 39680, 40672, 48050, 49600, 50840, 52480, 61504, 63550, 65600, 76880, 78802, 81344, 96100, 99200, 101680, 123008, 127100, 131200, 153760, 157604, 162688, 192200, 197005, 198400, 203360, 246016, 254200, 262400, 307520, 315208, 325376, 384400, 394010, 406720, 508400, 615040, 630416, 768800, 788020, 813440, 985025, 1016800, 1230080, 1260832, 1537600, 1576040, 1626880, 1970050, 2033600, 2521664, 3075200, 3152080, 3940100, 4067200, 5043328, 6150400, 6304160, 7880200, 8134400, 10086656, 12608320, 15760400, 25216640, 31520800, 50433280, 63041600, 126083200, 252166400]

約数ペア:

[(1, 252166400), (2, 126083200), (4, 63041600), (5, 50433280), (8, 31520800), (10, 25216640), (16, 15760400), (20, 12608320), (25, 10086656), (31, 8134400), (32, 7880200), (40, 6304160), (41, 6150400), (50, 5043328), (62, 4067200), (64, 3940100), (80, 3152080), (82, 3075200), (100, 2521664), (124, 2033600), (128, 1970050), (155, 1626880), (160, 1576040), (164, 1537600), (200, 1260832), (205, 1230080), (248, 1016800), (256, 985025), (310, 813440), (320, 788020), (328, 768800), (400, 630416), (410, 615040), (496, 508400), (620, 406720), (640, 394010), (656, 384400), (775, 325376), (800, 315208), (820, 307520), (961, 262400), (992, 254200), (1025, 246016), (1240, 203360), (1271, 198400), (1280, 197005), (1312, 192200), (1550, 162688), (1600, 157604), (1640, 153760), (1922, 131200), (1984, 127100), (2050, 123008), (2480, 101680), (2542, 99200), (2624, 96100), (3100, 81344), (3200, 78802), (3280, 76880), (3844, 65600), (3968, 63550), (4100, 61504), (4805, 52480), (4960, 50840), (5084, 49600), (5248, 48050), (6200, 40672), (6355, 39680), (6400, 39401), (6560, 38440), (7688, 32800), (7936, 31775), (8200, 30752), (9610, 26240), (9920, 25420), (10168, 24800), (10496, 24025), (12400, 20336), (12710, 19840), (13120, 19220), (15376, 16400)]