278546970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{714223}}^1$

素因数の和:714246

約数の個数: 32

約数和(自身を含む): 719937792

約数和(自身を除く): 441390822

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 714223, 1428446, 2142669, 3571115, 4285338, 7142230, 9284899, 10713345, 18569798, 21426690, 27854697, 46424495, 55709394, 92848990, 139273485, 278546970]

約数ペア:

[(1, 278546970), (2, 139273485), (3, 92848990), (5, 55709394), (6, 46424495), (10, 27854697), (13, 21426690), (15, 18569798), (26, 10713345), (30, 9284899), (39, 7142230), (65, 4285338), (78, 3571115), (130, 2142669), (195, 1428446), (390, 714223)]