390931190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{7177}}^1$

素因数の和:7616

約数の個数: 32

約数和(自身を含む): 759719520

約数和(自身を除く): 368788330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 419, 838, 2095, 4190, 5447, 7177, 10894, 14354, 27235, 35885, 54470, 71770, 93301, 186602, 466505, 933010, 3007163, 6014326, 15035815, 30071630, 39093119, 78186238, 195465595, 390931190]

約数ペア:

[(1, 390931190), (2, 195465595), (5, 78186238), (10, 39093119), (13, 30071630), (26, 15035815), (65, 6014326), (130, 3007163), (419, 933010), (838, 466505), (2095, 186602), (4190, 93301), (5447, 71770), (7177, 54470), (10894, 35885), (14354, 27235)]