390366.00000000

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8221}}^1$

素因数の和:8251

約数の個数: 32

約数和(自身を含む): 53870544

約数和(自身を除く): 27152294

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8221, 16442, 41105, 82210, 106873, 205525, 213746, 411050, 534365, 1027625, 1068730, 2055250, 2671825, 5343650, 13359125, 26718250]

約数ペア:

[(1, 26718250), (2, 13359125), (5, 5343650), (10, 2671825), (13, 2055250), (25, 1068730), (26, 1027625), (50, 534365), (65, 411050), (125, 213746), (130, 205525), (250, 106873), (325, 82210), (650, 41105), (1625, 16442), (3250, 8221)]