156907165820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{418933}}^1$

素因数の和:419310

約数の個数: 48

約数和(自身を含む): 335998473888

約数和(自身を除く): 179091308068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 307, 610, 614, 1220, 1228, 1535, 3070, 6140, 18727, 37454, 74908, 93635, 187270, 374540, 418933, 837866, 1675732, 2094665, 4189330, 8378660, 25554913, 51109826, 102219652, 127774565, 128612431, 255549130, 257224862, 511098260, 514449724, 643062155, 1286124310, 2572248620, 7845358291, 15690716582, 31381433164, 39226791455, 78453582910, 156907165820]

約数ペア:

[(1, 156907165820), (2, 78453582910), (4, 39226791455), (5, 31381433164), (10, 15690716582), (20, 7845358291), (61, 2572248620), (122, 1286124310), (244, 643062155), (305, 514449724), (307, 511098260), (610, 257224862), (614, 255549130), (1220, 128612431), (1228, 127774565), (1535, 102219652), (3070, 51109826), (6140, 25554913), (18727, 8378660), (37454, 4189330), (74908, 2094665), (93635, 1675732), (187270, 837866), (374540, 418933)]