393177560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{739}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 907891200

約数和(自身を除く): 514713640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 283, 376, 470, 566, 739, 940, 1132, 1415, 1478, 1880, 2264, 2830, 2956, 3695, 5660, 5912, 7390, 11320, 13301, 14780, 26602, 29560, 34733, 53204, 66505, 69466, 106408, 133010, 138932, 173665, 209137, 266020, 277864, 347330, 418274, 532040, 694660, 836548, 1045685, 1389320, 1673096, 2091370, 4182740, 8365480, 9829439, 19658878, 39317756, 49147195, 78635512, 98294390, 196588780, 393177560]

約数ペア:

[(1, 393177560), (2, 196588780), (4, 98294390), (5, 78635512), (8, 49147195), (10, 39317756), (20, 19658878), (40, 9829439), (47, 8365480), (94, 4182740), (188, 2091370), (235, 1673096), (283, 1389320), (376, 1045685), (470, 836548), (566, 694660), (739, 532040), (940, 418274), (1132, 347330), (1415, 277864), (1478, 266020), (1880, 209137), (2264, 173665), (2830, 138932), (2956, 133010), (3695, 106408), (5660, 69466), (5912, 66505), (7390, 53204), (11320, 34733), (13301, 29560), (14780, 26602)]