392940500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 898200576

約数和(自身を除く): 505260076

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 101, 124, 125, 155, 202, 250, 251, 310, 404, 500, 502, 505, 620, 775, 1004, 1010, 1255, 1550, 2020, 2510, 2525, 3100, 3131, 3875, 5020, 5050, 6262, 6275, 7750, 7781, 10100, 12524, 12550, 12625, 15500, 15562, 15655, 25100, 25250, 25351, 31124, 31310, 31375, 38905, 50500, 50702, 62620, 62750, 77810, 78275, 101404, 125500, 126755, 155620, 156550, 194525, 253510, 313100, 389050, 391375, 507020, 633775, 778100, 782750, 785881, 972625, 1267550, 1565500, 1571762, 1945250, 2535100, 3143524, 3168875, 3890500, 3929405, 6337750, 7858810, 12675500, 15717620, 19647025, 39294050, 78588100, 98235125, 196470250, 392940500]

約数ペア:

[(1, 392940500), (2, 196470250), (4, 98235125), (5, 78588100), (10, 39294050), (20, 19647025), (25, 15717620), (31, 12675500), (50, 7858810), (62, 6337750), (100, 3929405), (101, 3890500), (124, 3168875), (125, 3143524), (155, 2535100), (202, 1945250), (250, 1571762), (251, 1565500), (310, 1267550), (404, 972625), (500, 785881), (502, 782750), (505, 778100), (620, 633775), (775, 507020), (1004, 391375), (1010, 389050), (1255, 313100), (1550, 253510), (2020, 194525), (2510, 156550), (2525, 155620), (3100, 126755), (3131, 125500), (3875, 101404), (5020, 78275), (5050, 77810), (6262, 62750), (6275, 62620), (7750, 50702), (7781, 50500), (10100, 38905), (12524, 31375), (12550, 31310), (12625, 31124), (15500, 25351), (15562, 25250), (15655, 25100)]