142952680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274909}}^1$

素因数の和:274933

約数の個数: 32

約数和(自身を含む): 346386600

約数和(自身を除く): 203433920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 274909, 549818, 1099636, 1374545, 2199272, 2749090, 3573817, 5498180, 7147634, 10996360, 14295268, 17869085, 28590536, 35738170, 71476340, 142952680]

約数ペア:

[(1, 142952680), (2, 71476340), (4, 35738170), (5, 28590536), (8, 17869085), (10, 14295268), (13, 10996360), (20, 7147634), (26, 5498180), (40, 3573817), (52, 2749090), (65, 2199272), (104, 1374545), (130, 1099636), (260, 549818), (520, 274909)]