248058280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 579156480

約数和(自身を除く): 331098200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 251, 310, 502, 620, 797, 1004, 1240, 1255, 1594, 2008, 2510, 3188, 3985, 5020, 6376, 7781, 7970, 10040, 15562, 15940, 24707, 31124, 31880, 38905, 49414, 62248, 77810, 98828, 123535, 155620, 197656, 200047, 247070, 311240, 400094, 494140, 800188, 988280, 1000235, 1600376, 2000470, 4000940, 6201457, 8001880, 12402914, 24805828, 31007285, 49611656, 62014570, 124029140, 248058280]

約数ペア:

[(1, 248058280), (2, 124029140), (4, 62014570), (5, 49611656), (8, 31007285), (10, 24805828), (20, 12402914), (31, 8001880), (40, 6201457), (62, 4000940), (124, 2000470), (155, 1600376), (248, 1000235), (251, 988280), (310, 800188), (502, 494140), (620, 400094), (797, 311240), (1004, 247070), (1240, 200047), (1255, 197656), (1594, 155620), (2008, 123535), (2510, 98828), (3188, 77810), (3985, 62248), (5020, 49414), (6376, 38905), (7781, 31880), (7970, 31124), (10040, 24707), (15562, 15940)]