2187380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2892940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 179, 188, 235, 260, 358, 470, 611, 716, 895, 940, 1222, 1790, 2327, 2444, 3055, 3580, 4654, 6110, 8413, 9308, 11635, 12220, 16826, 23270, 33652, 42065, 46540, 84130, 109369, 168260, 218738, 437476, 546845, 1093690, 2187380]

約数ペア:

[(1, 2187380), (2, 1093690), (4, 546845), (5, 437476), (10, 218738), (13, 168260), (20, 109369), (26, 84130), (47, 46540), (52, 42065), (65, 33652), (94, 23270), (130, 16826), (179, 12220), (188, 11635), (235, 9308), (260, 8413), (358, 6110), (470, 4654), (611, 3580), (716, 3055), (895, 2444), (940, 2327), (1222, 1790)]