129576460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6827}}^1$

素因数の和:6922

約数の個数: 48

約数和(自身を含む): 297099936

約数和(自身を除く): 167523476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 6827, 9490, 13654, 18980, 27308, 34135, 68270, 88751, 136540, 177502, 355004, 443755, 498371, 887510, 996742, 1775020, 1993484, 2491855, 4983710, 6478823, 9967420, 12957646, 25915292, 32394115, 64788230, 129576460]

約数ペア:

[(1, 129576460), (2, 64788230), (4, 32394115), (5, 25915292), (10, 12957646), (13, 9967420), (20, 6478823), (26, 4983710), (52, 2491855), (65, 1993484), (73, 1775020), (130, 996742), (146, 887510), (260, 498371), (292, 443755), (365, 355004), (730, 177502), (949, 136540), (1460, 88751), (1898, 68270), (3796, 34135), (4745, 27308), (6827, 18980), (9490, 13654)]