385403460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{494107}}^1$

素因数の和:494132

約数の個数: 48

約数和(自身を含む): 1162142016

約数和(自身を除く): 776738556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 494107, 988214, 1482321, 1976428, 2470535, 2964642, 4941070, 5929284, 6423391, 7411605, 9882140, 12846782, 14823210, 19270173, 25693564, 29646420, 32116955, 38540346, 64233910, 77080692, 96350865, 128467820, 192701730, 385403460]

約数ペア:

[(1, 385403460), (2, 192701730), (3, 128467820), (4, 96350865), (5, 77080692), (6, 64233910), (10, 38540346), (12, 32116955), (13, 29646420), (15, 25693564), (20, 19270173), (26, 14823210), (30, 12846782), (39, 9882140), (52, 7411605), (60, 6423391), (65, 5929284), (78, 4941070), (130, 2964642), (156, 2470535), (195, 1976428), (260, 1482321), (390, 988214), (780, 494107)]