405256700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 930357120

約数和(自身を除く): 525100420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 263, 380, 475, 526, 811, 950, 1052, 1315, 1622, 1900, 2630, 3244, 4055, 4997, 5260, 6575, 8110, 9994, 13150, 15409, 16220, 19988, 20275, 24985, 26300, 30818, 40550, 49970, 61636, 77045, 81100, 99940, 124925, 154090, 213293, 249850, 308180, 385225, 426586, 499700, 770450, 853172, 1066465, 1540900, 2132930, 4052567, 4265860, 5332325, 8105134, 10664650, 16210268, 20262835, 21329300, 40525670, 81051340, 101314175, 202628350, 405256700]

約数ペア:

[(1, 405256700), (2, 202628350), (4, 101314175), (5, 81051340), (10, 40525670), (19, 21329300), (20, 20262835), (25, 16210268), (38, 10664650), (50, 8105134), (76, 5332325), (95, 4265860), (100, 4052567), (190, 2132930), (263, 1540900), (380, 1066465), (475, 853172), (526, 770450), (811, 499700), (950, 426586), (1052, 385225), (1315, 308180), (1622, 249850), (1900, 213293), (2630, 154090), (3244, 124925), (4055, 99940), (4997, 81100), (5260, 77045), (6575, 61636), (8110, 49970), (9994, 40550), (13150, 30818), (15409, 26300), (16220, 24985), (19988, 20275)]