1390480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 3999744

約数和(自身を除く): 2609264

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 191, 208, 260, 280, 364, 382, 455, 520, 560, 728, 764, 910, 955, 1040, 1337, 1456, 1528, 1820, 1910, 2483, 2674, 3056, 3640, 3820, 4966, 5348, 6685, 7280, 7640, 9932, 10696, 12415, 13370, 15280, 17381, 19864, 21392, 24830, 26740, 34762, 39728, 49660, 53480, 69524, 86905, 99320, 106960, 139048, 173810, 198640, 278096, 347620, 695240, 1390480]

約数ペア:

[(1, 1390480), (2, 695240), (4, 347620), (5, 278096), (7, 198640), (8, 173810), (10, 139048), (13, 106960), (14, 99320), (16, 86905), (20, 69524), (26, 53480), (28, 49660), (35, 39728), (40, 34762), (52, 26740), (56, 24830), (65, 21392), (70, 19864), (80, 17381), (91, 15280), (104, 13370), (112, 12415), (130, 10696), (140, 9932), (182, 7640), (191, 7280), (208, 6685), (260, 5348), (280, 4966), (364, 3820), (382, 3640), (455, 3056), (520, 2674), (560, 2483), (728, 1910), (764, 1820), (910, 1528), (955, 1456), (1040, 1337)]