2051201620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1499}}^1$

素因数の和:1817

約数の個数: 96

約数和(自身を含む): 4903920000

約数和(自身を除く): 2852718380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 277, 380, 494, 554, 988, 1108, 1235, 1385, 1499, 2470, 2770, 2998, 3601, 4940, 5263, 5540, 5996, 7202, 7495, 10526, 14404, 14990, 18005, 19487, 21052, 26315, 28481, 29980, 36010, 38974, 52630, 56962, 68419, 72020, 77948, 97435, 105260, 113924, 136838, 142405, 194870, 273676, 284810, 342095, 370253, 389740, 415223, 569620, 684190, 740506, 830446, 1368380, 1481012, 1660892, 1851265, 2076115, 3702530, 4152230, 5397899, 7405060, 7889237, 8304460, 10795798, 15778474, 21591596, 26989495, 31556948, 39446185, 53978990, 78892370, 102560081, 107957980, 157784740, 205120162, 410240324, 512800405, 1025600810, 2051201620]

約数ペア:

[(1, 2051201620), (2, 1025600810), (4, 512800405), (5, 410240324), (10, 205120162), (13, 157784740), (19, 107957980), (20, 102560081), (26, 78892370), (38, 53978990), (52, 39446185), (65, 31556948), (76, 26989495), (95, 21591596), (130, 15778474), (190, 10795798), (247, 8304460), (260, 7889237), (277, 7405060), (380, 5397899), (494, 4152230), (554, 3702530), (988, 2076115), (1108, 1851265), (1235, 1660892), (1385, 1481012), (1499, 1368380), (2470, 830446), (2770, 740506), (2998, 684190), (3601, 569620), (4940, 415223), (5263, 389740), (5540, 370253), (5996, 342095), (7202, 284810), (7495, 273676), (10526, 194870), (14404, 142405), (14990, 136838), (18005, 113924), (19487, 105260), (21052, 97435), (26315, 77948), (28481, 72020), (29980, 68419), (36010, 56962), (38974, 52630)]