156787150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 325807272

約数和(自身を除く): 169020122

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 251, 310, 325, 403, 502, 650, 775, 806, 961, 1255, 1550, 1922, 2015, 2510, 3263, 4030, 4805, 6275, 6526, 7781, 9610, 10075, 12493, 12550, 15562, 16315, 20150, 24025, 24986, 32630, 38905, 48050, 62465, 77810, 81575, 101153, 124930, 163150, 194525, 202306, 241211, 312325, 389050, 482422, 505765, 624650, 1011530, 1206055, 2412110, 2528825, 3135743, 5057650, 6030275, 6271486, 12060550, 15678715, 31357430, 78393575, 156787150]

約数ペア:

[(1, 156787150), (2, 78393575), (5, 31357430), (10, 15678715), (13, 12060550), (25, 6271486), (26, 6030275), (31, 5057650), (50, 3135743), (62, 2528825), (65, 2412110), (130, 1206055), (155, 1011530), (251, 624650), (310, 505765), (325, 482422), (403, 389050), (502, 312325), (650, 241211), (775, 202306), (806, 194525), (961, 163150), (1255, 124930), (1550, 101153), (1922, 81575), (2015, 77810), (2510, 62465), (3263, 48050), (4030, 38905), (4805, 32630), (6275, 24986), (6526, 24025), (7781, 20150), (9610, 16315), (10075, 15562), (12493, 12550)]