2080994440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:959

約数の個数: 128

約数和(自身を含む): 5466528000

約数和(自身を除く): 3385533560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 113, 140, 178, 226, 280, 356, 445, 452, 565, 623, 712, 739, 791, 890, 904, 1130, 1246, 1478, 1582, 1780, 2260, 2492, 2956, 3115, 3164, 3560, 3695, 3955, 4520, 4984, 5173, 5912, 6230, 6328, 7390, 7910, 10057, 10346, 12460, 14780, 15820, 20114, 20692, 24920, 25865, 29560, 31640, 40228, 41384, 50285, 51730, 65771, 70399, 80456, 83507, 100570, 103460, 131542, 140798, 167014, 201140, 206920, 263084, 281596, 328855, 334028, 351995, 402280, 417535, 460397, 526168, 563192, 584549, 657710, 668056, 703990, 835070, 920794, 1169098, 1315420, 1407980, 1670140, 1841588, 2301985, 2338196, 2630840, 2815960, 2922745, 3340280, 3683176, 4603970, 4676392, 5845490, 7432123, 9207940, 11690980, 14864246, 18415880, 23381960, 29728492, 37160615, 52024861, 59456984, 74321230, 104049722, 148642460, 208099444, 260124305, 297284920, 416198888, 520248610, 1040497220, 2080994440]

約数ペア:

[(1, 2080994440), (2, 1040497220), (4, 520248610), (5, 416198888), (7, 297284920), (8, 260124305), (10, 208099444), (14, 148642460), (20, 104049722), (28, 74321230), (35, 59456984), (40, 52024861), (56, 37160615), (70, 29728492), (89, 23381960), (113, 18415880), (140, 14864246), (178, 11690980), (226, 9207940), (280, 7432123), (356, 5845490), (445, 4676392), (452, 4603970), (565, 3683176), (623, 3340280), (712, 2922745), (739, 2815960), (791, 2630840), (890, 2338196), (904, 2301985), (1130, 1841588), (1246, 1670140), (1478, 1407980), (1582, 1315420), (1780, 1169098), (2260, 920794), (2492, 835070), (2956, 703990), (3115, 668056), (3164, 657710), (3560, 584549), (3695, 563192), (3955, 526168), (4520, 460397), (4984, 417535), (5173, 402280), (5912, 351995), (6230, 334028), (6328, 328855), (7390, 281596), (7910, 263084), (10057, 206920), (10346, 201140), (12460, 167014), (14780, 140798), (15820, 131542), (20114, 103460), (20692, 100570), (24920, 83507), (25865, 80456), (29560, 70399), (31640, 65771), (40228, 51730), (41384, 50285)]