209289840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872041}}^1$

素因数の和:872057

約数の個数: 40

約数和(自身を含む): 648799248

約数和(自身を除く): 439509408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872041, 1744082, 2616123, 3488164, 4360205, 5232246, 6976328, 8720410, 10464492, 13080615, 13952656, 17440820, 20928984, 26161230, 34881640, 41857968, 52322460, 69763280, 104644920, 209289840]

約数ペア:

[(1, 209289840), (2, 104644920), (3, 69763280), (4, 52322460), (5, 41857968), (6, 34881640), (8, 26161230), (10, 20928984), (12, 17440820), (15, 13952656), (16, 13080615), (20, 10464492), (24, 8720410), (30, 6976328), (40, 5232246), (48, 4360205), (60, 3488164), (80, 2616123), (120, 1744082), (240, 872041)]