193392420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{247939}}^1$

素因数の和:247964

約数の個数: 48

約数和(自身を含む): 583154880

約数和(自身を除く): 389762460

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, 247939, 495878, 743817, 991756, 1239695, 1487634, 2479390, 2975268, 3223207, 3719085, 4958780, 6446414, 7438170, 9669621, 12892828, 14876340, 16116035, 19339242, 32232070, 38678484, 48348105, 64464140, 96696210, 193392420]

約数ペア:

[(1, 193392420), (2, 96696210), (3, 64464140), (4, 48348105), (5, 38678484), (6, 32232070), (10, 19339242), (12, 16116035), (13, 14876340), (15, 12892828), (20, 9669621), (26, 7438170), (30, 6446414), (39, 4958780), (52, 3719085), (60, 3223207), (65, 2975268), (78, 2479390), (130, 1487634), (156, 1239695), (195, 991756), (260, 743817), (390, 495878), (780, 247939)]