86894020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 186984000

約数和(自身を除く): 100089980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 211, 236, 295, 349, 422, 590, 698, 844, 1055, 1180, 1396, 1745, 2110, 3490, 4220, 6980, 12449, 20591, 24898, 41182, 49796, 62245, 73639, 82364, 102955, 124490, 147278, 205910, 248980, 294556, 368195, 411820, 736390, 1472780, 4344701, 8689402, 17378804, 21723505, 43447010, 86894020]

約数ペア:

[(1, 86894020), (2, 43447010), (4, 21723505), (5, 17378804), (10, 8689402), (20, 4344701), (59, 1472780), (118, 736390), (211, 411820), (236, 368195), (295, 294556), (349, 248980), (422, 205910), (590, 147278), (698, 124490), (844, 102955), (1055, 82364), (1180, 73639), (1396, 62245), (1745, 49796), (2110, 41182), (3490, 24898), (4220, 20591), (6980, 12449)]