87663460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 189423360

約数和(自身を除く): 101759900

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 179, 188, 235, 358, 470, 521, 716, 895, 940, 1042, 1790, 2084, 2605, 3580, 5210, 8413, 10420, 16826, 24487, 33652, 42065, 48974, 84130, 93259, 97948, 122435, 168260, 186518, 244870, 373036, 466295, 489740, 932590, 1865180, 4383173, 8766346, 17532692, 21915865, 43831730, 87663460]

約数ペア:

[(1, 87663460), (2, 43831730), (4, 21915865), (5, 17532692), (10, 8766346), (20, 4383173), (47, 1865180), (94, 932590), (179, 489740), (188, 466295), (235, 373036), (358, 244870), (470, 186518), (521, 168260), (716, 122435), (895, 97948), (940, 93259), (1042, 84130), (1790, 48974), (2084, 42065), (2605, 33652), (3580, 24487), (5210, 16826), (8413, 10420)]