133991920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 325479168

約数和(自身を除く): 191487248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 557, 620, 776, 970, 1114, 1240, 1552, 1940, 2228, 2480, 2785, 3007, 3880, 4456, 5570, 6014, 7760, 8912, 11140, 12028, 15035, 17267, 22280, 24056, 30070, 34534, 44560, 48112, 54029, 60140, 69068, 86335, 108058, 120280, 138136, 172670, 216116, 240560, 270145, 276272, 345340, 432232, 540290, 690680, 864464, 1080580, 1381360, 1674899, 2161160, 3349798, 4322320, 6699596, 8374495, 13399192, 16748990, 26798384, 33497980, 66995960, 133991920]

約数ペア:

[(1, 133991920), (2, 66995960), (4, 33497980), (5, 26798384), (8, 16748990), (10, 13399192), (16, 8374495), (20, 6699596), (31, 4322320), (40, 3349798), (62, 2161160), (80, 1674899), (97, 1381360), (124, 1080580), (155, 864464), (194, 690680), (248, 540290), (310, 432232), (388, 345340), (485, 276272), (496, 270145), (557, 240560), (620, 216116), (776, 172670), (970, 138136), (1114, 120280), (1240, 108058), (1552, 86335), (1940, 69068), (2228, 60140), (2480, 54029), (2785, 48112), (3007, 44560), (3880, 34534), (4456, 30070), (5570, 24056), (6014, 22280), (7760, 17267), (8912, 15035), (11140, 12028)]