778899830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{31069}}^1$

素因数の和:31208

約数の個数: 32

約数和(自身を含む): 1476446400

約数和(自身を除く): 697546570

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 1090, 2507, 5014, 12535, 25070, 31069, 62138, 155345, 310690, 714587, 1429174, 3386521, 3572935, 6773042, 7145870, 16932605, 33865210, 77889983, 155779966, 389449915, 778899830]

約数ペア:

[(1, 778899830), (2, 389449915), (5, 155779966), (10, 77889983), (23, 33865210), (46, 16932605), (109, 7145870), (115, 6773042), (218, 3572935), (230, 3386521), (545, 1429174), (1090, 714587), (2507, 310690), (5014, 155345), (12535, 62138), (25070, 31069)]