28949180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 70447104

約数和(自身を除く): 41497924

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 47, 52, 65, 92, 94, 103, 115, 130, 188, 206, 230, 235, 260, 299, 412, 460, 470, 515, 598, 611, 940, 1030, 1081, 1196, 1222, 1339, 1495, 2060, 2162, 2369, 2444, 2678, 2990, 3055, 4324, 4738, 4841, 5356, 5405, 5980, 6110, 6695, 9476, 9682, 10810, 11845, 12220, 13390, 14053, 19364, 21620, 23690, 24205, 26780, 28106, 30797, 47380, 48410, 56212, 61594, 62933, 70265, 96820, 111343, 123188, 125866, 140530, 153985, 222686, 251732, 281060, 307970, 314665, 445372, 556715, 615940, 629330, 1113430, 1258660, 1447459, 2226860, 2894918, 5789836, 7237295, 14474590, 28949180]

約数ペア:

[(1, 28949180), (2, 14474590), (4, 7237295), (5, 5789836), (10, 2894918), (13, 2226860), (20, 1447459), (23, 1258660), (26, 1113430), (46, 629330), (47, 615940), (52, 556715), (65, 445372), (92, 314665), (94, 307970), (103, 281060), (115, 251732), (130, 222686), (188, 153985), (206, 140530), (230, 125866), (235, 123188), (260, 111343), (299, 96820), (412, 70265), (460, 62933), (470, 61594), (515, 56212), (598, 48410), (611, 47380), (940, 30797), (1030, 28106), (1081, 26780), (1196, 24205), (1222, 23690), (1339, 21620), (1495, 19364), (2060, 14053), (2162, 13390), (2369, 12220), (2444, 11845), (2678, 10810), (2990, 9682), (3055, 9476), (4324, 6695), (4738, 6110), (4841, 5980), (5356, 5405)]