8400470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 17282160

約数和(自身を除く): 8881690

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 179, 190, 247, 358, 361, 494, 722, 895, 1235, 1790, 1805, 2327, 2470, 3401, 3610, 4654, 4693, 6802, 9386, 11635, 17005, 23270, 23465, 34010, 44213, 46930, 64619, 88426, 129238, 221065, 323095, 442130, 646190, 840047, 1680094, 4200235, 8400470]

約数ペア:

[(1, 8400470), (2, 4200235), (5, 1680094), (10, 840047), (13, 646190), (19, 442130), (26, 323095), (38, 221065), (65, 129238), (95, 88426), (130, 64619), (179, 46930), (190, 44213), (247, 34010), (358, 23465), (361, 23270), (494, 17005), (722, 11635), (895, 9386), (1235, 6802), (1790, 4693), (1805, 4654), (2327, 3610), (2470, 3401)]