27798680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1129

約数の個数: 96

約数和(自身を含む): 78427440

約数和(自身を除く): 50628760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1091, 1274, 1820, 1960, 2182, 2548, 3185, 3640, 4364, 5096, 5455, 6370, 7637, 8728, 10910, 12740, 14183, 15274, 21820, 25480, 28366, 30548, 38185, 43640, 53459, 56732, 61096, 70915, 76370, 99281, 106918, 113464, 141830, 152740, 198562, 213836, 267295, 283660, 305480, 397124, 427672, 496405, 534590, 567320, 694967, 794248, 992810, 1069180, 1389934, 1985620, 2138360, 2779868, 3474835, 3971240, 5559736, 6949670, 13899340, 27798680]

約数ペア:

[(1, 27798680), (2, 13899340), (4, 6949670), (5, 5559736), (7, 3971240), (8, 3474835), (10, 2779868), (13, 2138360), (14, 1985620), (20, 1389934), (26, 1069180), (28, 992810), (35, 794248), (40, 694967), (49, 567320), (52, 534590), (56, 496405), (65, 427672), (70, 397124), (91, 305480), (98, 283660), (104, 267295), (130, 213836), (140, 198562), (182, 152740), (196, 141830), (245, 113464), (260, 106918), (280, 99281), (364, 76370), (392, 70915), (455, 61096), (490, 56732), (520, 53459), (637, 43640), (728, 38185), (910, 30548), (980, 28366), (1091, 25480), (1274, 21820), (1820, 15274), (1960, 14183), (2182, 12740), (2548, 10910), (3185, 8728), (3640, 7637), (4364, 6370), (5096, 5455)]