258581180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3931}}^1$

素因数の和:3987

約数の個数: 96

約数和(自身を含む): 665860608

約数和(自身を除く): 407279428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 460, 506, 572, 598, 715, 1012, 1196, 1265, 1430, 1495, 2530, 2860, 2990, 3289, 3931, 5060, 5980, 6578, 7862, 13156, 15724, 16445, 19655, 32890, 39310, 43241, 51103, 65780, 78620, 86482, 90413, 102206, 172964, 180826, 204412, 216205, 255515, 361652, 432410, 452065, 511030, 562133, 864820, 904130, 994543, 1022060, 1124266, 1175369, 1808260, 1989086, 2248532, 2350738, 2810665, 3978172, 4701476, 4972715, 5621330, 5876845, 9945430, 11242660, 11753690, 12929059, 19890860, 23507380, 25858118, 51716236, 64645295, 129290590, 258581180]

約数ペア:

[(1, 258581180), (2, 129290590), (4, 64645295), (5, 51716236), (10, 25858118), (11, 23507380), (13, 19890860), (20, 12929059), (22, 11753690), (23, 11242660), (26, 9945430), (44, 5876845), (46, 5621330), (52, 4972715), (55, 4701476), (65, 3978172), (92, 2810665), (110, 2350738), (115, 2248532), (130, 1989086), (143, 1808260), (220, 1175369), (230, 1124266), (253, 1022060), (260, 994543), (286, 904130), (299, 864820), (460, 562133), (506, 511030), (572, 452065), (598, 432410), (715, 361652), (1012, 255515), (1196, 216205), (1265, 204412), (1430, 180826), (1495, 172964), (2530, 102206), (2860, 90413), (2990, 86482), (3289, 78620), (3931, 65780), (5060, 51103), (5980, 43241), (6578, 39310), (7862, 32890), (13156, 19655), (15724, 16445)]