538885040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{396239}}^1$

素因数の和:396269

約数の個数: 40

約数和(自身を含む): 1326611520

約数和(自身を除く): 787726480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 396239, 792478, 1584956, 1981195, 3169912, 3962390, 6339824, 6736063, 7924780, 13472126, 15849560, 26944252, 31699120, 33680315, 53888504, 67360630, 107777008, 134721260, 269442520, 538885040]

約数ペア:

[(1, 538885040), (2, 269442520), (4, 134721260), (5, 107777008), (8, 67360630), (10, 53888504), (16, 33680315), (17, 31699120), (20, 26944252), (34, 15849560), (40, 13472126), (68, 7924780), (80, 6736063), (85, 6339824), (136, 3962390), (170, 3169912), (272, 1981195), (340, 1584956), (680, 792478), (1360, 396239)]