398700770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{5669}}^1$

素因数の和:6230

約数の個数: 32

約数和(自身を含む): 774431280

約数和(自身を除く): 375730510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 541, 1082, 2705, 5410, 5669, 7033, 11338, 14066, 28345, 35165, 56690, 70330, 73697, 147394, 368485, 736970, 3066929, 6133858, 15334645, 30669290, 39870077, 79740154, 199350385, 398700770]

約数ペア:

[(1, 398700770), (2, 199350385), (5, 79740154), (10, 39870077), (13, 30669290), (26, 15334645), (65, 6133858), (130, 3066929), (541, 736970), (1082, 368485), (2705, 147394), (5410, 73697), (5669, 70330), (7033, 56690), (11338, 35165), (14066, 28345)]