1990430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 3937248

約数和(自身を除く): 1946818

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 251, 305, 502, 610, 793, 1255, 1586, 2510, 3263, 3965, 6526, 7930, 15311, 16315, 30622, 32630, 76555, 153110, 199043, 398086, 995215, 1990430]

約数ペア:

[(1, 1990430), (2, 995215), (5, 398086), (10, 199043), (13, 153110), (26, 76555), (61, 32630), (65, 30622), (122, 16315), (130, 15311), (251, 7930), (305, 6526), (502, 3965), (610, 3263), (793, 2510), (1255, 1586)]