90420400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:819

約数の個数: 120

約数和(自身を含む): 254380544

約数和(自身を除く): 163960144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 172, 175, 200, 215, 280, 301, 344, 350, 400, 430, 560, 602, 688, 700, 751, 860, 1075, 1204, 1400, 1502, 1505, 1720, 2150, 2408, 2800, 3004, 3010, 3440, 3755, 4300, 4816, 5257, 6008, 6020, 7510, 7525, 8600, 10514, 12016, 12040, 15020, 15050, 17200, 18775, 21028, 24080, 26285, 30040, 30100, 32293, 37550, 42056, 52570, 60080, 60200, 64586, 75100, 84112, 105140, 120400, 129172, 131425, 150200, 161465, 210280, 226051, 258344, 262850, 300400, 322930, 420560, 452102, 516688, 525700, 645860, 807325, 904204, 1051400, 1130255, 1291720, 1614650, 1808408, 2102800, 2260510, 2583440, 3229300, 3616816, 4521020, 5651275, 6458600, 9042040, 11302550, 12917200, 18084080, 22605100, 45210200, 90420400]

約数ペア:

[(1, 90420400), (2, 45210200), (4, 22605100), (5, 18084080), (7, 12917200), (8, 11302550), (10, 9042040), (14, 6458600), (16, 5651275), (20, 4521020), (25, 3616816), (28, 3229300), (35, 2583440), (40, 2260510), (43, 2102800), (50, 1808408), (56, 1614650), (70, 1291720), (80, 1130255), (86, 1051400), (100, 904204), (112, 807325), (140, 645860), (172, 525700), (175, 516688), (200, 452102), (215, 420560), (280, 322930), (301, 300400), (344, 262850), (350, 258344), (400, 226051), (430, 210280), (560, 161465), (602, 150200), (688, 131425), (700, 129172), (751, 120400), (860, 105140), (1075, 84112), (1204, 75100), (1400, 64586), (1502, 60200), (1505, 60080), (1720, 52570), (2150, 42056), (2408, 37550), (2800, 32293), (3004, 30100), (3010, 30040), (3440, 26285), (3755, 24080), (4300, 21028), (4816, 18775), (5257, 17200), (6008, 15050), (6020, 15020), (7510, 12040), (7525, 12016), (8600, 10514)]