501950140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{21881}}^1$

素因数の和:21958

約数の個数: 48

約数和(自身を含む): 1117557504

約数和(自身を除く): 615607364

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 21881, 22940, 43762, 87524, 109405, 218810, 437620, 678311, 809597, 1356622, 1619194, 2713244, 3238388, 3391555, 4047985, 6783110, 8095970, 13566220, 16191940, 25097507, 50195014, 100390028, 125487535, 250975070, 501950140]

約数ペア:

[(1, 501950140), (2, 250975070), (4, 125487535), (5, 100390028), (10, 50195014), (20, 25097507), (31, 16191940), (37, 13566220), (62, 8095970), (74, 6783110), (124, 4047985), (148, 3391555), (155, 3238388), (185, 2713244), (310, 1619194), (370, 1356622), (620, 809597), (740, 678311), (1147, 437620), (2294, 218810), (4588, 109405), (5735, 87524), (11470, 43762), (21881, 22940)]