28769780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 72140544

約数和(自身を除く): 43370764

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 283, 299, 340, 391, 442, 460, 566, 598, 782, 884, 1105, 1132, 1196, 1415, 1495, 1564, 1955, 2210, 2830, 2990, 3679, 3910, 4420, 4811, 5083, 5660, 5980, 6509, 7358, 7820, 9622, 10166, 13018, 14716, 18395, 19244, 20332, 24055, 25415, 26036, 32545, 36790, 48110, 50830, 62543, 65090, 73580, 84617, 96220, 101660, 110653, 125086, 130180, 169234, 221306, 250172, 312715, 338468, 423085, 442612, 553265, 625430, 846170, 1106530, 1250860, 1438489, 1692340, 2213060, 2876978, 5753956, 7192445, 14384890, 28769780]

約数ペア:

[(1, 28769780), (2, 14384890), (4, 7192445), (5, 5753956), (10, 2876978), (13, 2213060), (17, 1692340), (20, 1438489), (23, 1250860), (26, 1106530), (34, 846170), (46, 625430), (52, 553265), (65, 442612), (68, 423085), (85, 338468), (92, 312715), (115, 250172), (130, 221306), (170, 169234), (221, 130180), (230, 125086), (260, 110653), (283, 101660), (299, 96220), (340, 84617), (391, 73580), (442, 65090), (460, 62543), (566, 50830), (598, 48110), (782, 36790), (884, 32545), (1105, 26036), (1132, 25415), (1196, 24055), (1415, 20332), (1495, 19244), (1564, 18395), (1955, 14716), (2210, 13018), (2830, 10166), (2990, 9622), (3679, 7820), (3910, 7358), (4420, 6509), (4811, 5980), (5083, 5660)]