90411760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 216986112

約数和(自身を除く): 126574352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 97, 122, 191, 194, 244, 305, 382, 388, 485, 488, 610, 764, 776, 955, 970, 976, 1220, 1528, 1552, 1910, 1940, 2440, 3056, 3820, 3880, 4880, 5917, 7640, 7760, 11651, 11834, 15280, 18527, 23302, 23668, 29585, 37054, 46604, 47336, 58255, 59170, 74108, 92635, 93208, 94672, 116510, 118340, 148216, 185270, 186416, 233020, 236680, 296432, 370540, 466040, 473360, 741080, 932080, 1130147, 1482160, 2260294, 4520588, 5650735, 9041176, 11301470, 18082352, 22602940, 45205880, 90411760]

約数ペア:

[(1, 90411760), (2, 45205880), (4, 22602940), (5, 18082352), (8, 11301470), (10, 9041176), (16, 5650735), (20, 4520588), (40, 2260294), (61, 1482160), (80, 1130147), (97, 932080), (122, 741080), (191, 473360), (194, 466040), (244, 370540), (305, 296432), (382, 236680), (388, 233020), (485, 186416), (488, 185270), (610, 148216), (764, 118340), (776, 116510), (955, 94672), (970, 93208), (976, 92635), (1220, 74108), (1528, 59170), (1552, 58255), (1910, 47336), (1940, 46604), (2440, 37054), (3056, 29585), (3820, 23668), (3880, 23302), (4880, 18527), (5917, 15280), (7640, 11834), (7760, 11651)]