208762040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18059}}^1$

素因数の和:18104

約数の個数: 48

約数和(自身を含む): 498997800

約数和(自身を除く): 290235760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 18059, 36118, 72236, 90295, 144472, 180590, 307003, 361180, 614006, 722360, 1228012, 1535015, 2456024, 3070030, 5219051, 6140060, 10438102, 12280120, 20876204, 26095255, 41752408, 52190510, 104381020, 208762040]

約数ペア:

[(1, 208762040), (2, 104381020), (4, 52190510), (5, 41752408), (8, 26095255), (10, 20876204), (17, 12280120), (20, 10438102), (34, 6140060), (40, 5219051), (68, 3070030), (85, 2456024), (136, 1535015), (170, 1228012), (289, 722360), (340, 614006), (578, 361180), (680, 307003), (1156, 180590), (1445, 144472), (2312, 90295), (2890, 72236), (5780, 36118), (11560, 18059)]