411440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 989520

約数和(自身を除く): 578080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 139, 148, 185, 278, 296, 370, 556, 592, 695, 740, 1112, 1390, 1480, 2224, 2780, 2960, 5143, 5560, 10286, 11120, 20572, 25715, 41144, 51430, 82288, 102860, 205720, 411440]

約数ペア:

[(1, 411440), (2, 205720), (4, 102860), (5, 82288), (8, 51430), (10, 41144), (16, 25715), (20, 20572), (37, 11120), (40, 10286), (74, 5560), (80, 5143), (139, 2960), (148, 2780), (185, 2224), (278, 1480), (296, 1390), (370, 1112), (556, 740), (592, 695)]