1353940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 3427200

約数和(自身を除く): 2073260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 509, 532, 665, 1018, 1330, 2036, 2545, 2660, 3563, 5090, 7126, 9671, 10180, 14252, 17815, 19342, 35630, 38684, 48355, 67697, 71260, 96710, 135394, 193420, 270788, 338485, 676970, 1353940]

約数ペア:

[(1, 1353940), (2, 676970), (4, 338485), (5, 270788), (7, 193420), (10, 135394), (14, 96710), (19, 71260), (20, 67697), (28, 48355), (35, 38684), (38, 35630), (70, 19342), (76, 17815), (95, 14252), (133, 10180), (140, 9671), (190, 7126), (266, 5090), (380, 3563), (509, 2660), (532, 2545), (665, 2036), (1018, 1330)]