28007330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:108

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 37311070

約数列:

[1, 2, 5, 10, 13, 17, 19, 23, 26, 29, 34, 38, 46, 58, 65, 85, 95, 115, 130, 145, 170, 190, 221, 230, 247, 290, 299, 323, 377, 391, 437, 442, 493, 494, 551, 598, 646, 667, 754, 782, 874, 986, 1102, 1105, 1235, 1334, 1495, 1615, 1885, 1955, 2185, 2210, 2465, 2470, 2755, 2990, 3230, 3335, 3770, 3910, 4199, 4370, 4930, 5083, 5510, 5681, 6409, 6670, 7163, 7429, 8398, 8671, 9367, 10166, 11339, 11362, 12673, 12818, 14326, 14858, 17342, 18734, 20995, 22678, 25346, 25415, 28405, 32045, 35815, 37145, 41990, 43355, 46835, 50830, 56695, 56810, 63365, 64090, 71630, 74290, 86710, 93670, 96577, 113390, 121771, 126730, 147407, 164749, 193154, 215441, 243542, 294814, 329498, 430882, 482885, 608855, 737035, 823745, 965770, 1077205, 1217710, 1474070, 1647490, 2154410, 2800733, 5601466, 14003665, 28007330]

約数ペア:

[(1, 28007330), (2, 14003665), (5, 5601466), (10, 2800733), (13, 2154410), (17, 1647490), (19, 1474070), (23, 1217710), (26, 1077205), (29, 965770), (34, 823745), (38, 737035), (46, 608855), (58, 482885), (65, 430882), (85, 329498), (95, 294814), (115, 243542), (130, 215441), (145, 193154), (170, 164749), (190, 147407), (221, 126730), (230, 121771), (247, 113390), (290, 96577), (299, 93670), (323, 86710), (377, 74290), (391, 71630), (437, 64090), (442, 63365), (493, 56810), (494, 56695), (551, 50830), (598, 46835), (646, 43355), (667, 41990), (754, 37145), (782, 35815), (874, 32045), (986, 28405), (1102, 25415), (1105, 25346), (1235, 22678), (1334, 20995), (1495, 18734), (1615, 17342), (1885, 14858), (1955, 14326), (2185, 12818), (2210, 12673), (2465, 11362), (2470, 11339), (2755, 10166), (2990, 9367), (3230, 8671), (3335, 8398), (3770, 7429), (3910, 7163), (4199, 6670), (4370, 6409), (4930, 5681), (5083, 5510)]