100402760

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 231260400

約数和(自身を除く): 130857640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 113, 194, 226, 229, 388, 452, 458, 485, 565, 776, 904, 916, 970, 1130, 1145, 1832, 1940, 2260, 2290, 3880, 4520, 4580, 9160, 10961, 21922, 22213, 25877, 43844, 44426, 51754, 54805, 87688, 88852, 103508, 109610, 111065, 129385, 177704, 207016, 219220, 222130, 258770, 438440, 444260, 517540, 888520, 1035080, 2510069, 5020138, 10040276, 12550345, 20080552, 25100690, 50201380, 100402760]

約数ペア:

[(1, 100402760), (2, 50201380), (4, 25100690), (5, 20080552), (8, 12550345), (10, 10040276), (20, 5020138), (40, 2510069), (97, 1035080), (113, 888520), (194, 517540), (226, 444260), (229, 438440), (388, 258770), (452, 222130), (458, 219220), (485, 207016), (565, 177704), (776, 129385), (904, 111065), (916, 109610), (970, 103508), (1130, 88852), (1145, 87688), (1832, 54805), (1940, 51754), (2260, 44426), (2290, 43844), (3880, 25877), (4520, 22213), (4580, 21922), (9160, 10961)]