1948790740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{202577}}^1$

素因数の和:202636

約数の個数: 48

約数和(自身を含む): 4526402832

約数和(自身を除く): 2577612092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 202577, 405154, 810308, 1012885, 2025770, 2633501, 4051540, 5267002, 7495349, 10534004, 13167505, 14990698, 26335010, 29981396, 37476745, 52670020, 74953490, 97439537, 149906980, 194879074, 389758148, 487197685, 974395370, 1948790740]

約数ペア:

[(1, 1948790740), (2, 974395370), (4, 487197685), (5, 389758148), (10, 194879074), (13, 149906980), (20, 97439537), (26, 74953490), (37, 52670020), (52, 37476745), (65, 29981396), (74, 26335010), (130, 14990698), (148, 13167505), (185, 10534004), (260, 7495349), (370, 5267002), (481, 4051540), (740, 2633501), (962, 2025770), (1924, 1012885), (2405, 810308), (4810, 405154), (9620, 202577)]