210002780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{62131}}^1$

素因数の和:62166

約数の個数: 36

約数和(自身を含む): 477546552

約数和(自身を除く): 267543772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 62131, 124262, 248524, 310655, 621310, 807703, 1242620, 1615406, 3230812, 4038515, 8077030, 10500139, 16154060, 21000278, 42000556, 52500695, 105001390, 210002780]

約数ペア:

[(1, 210002780), (2, 105001390), (4, 52500695), (5, 42000556), (10, 21000278), (13, 16154060), (20, 10500139), (26, 8077030), (52, 4038515), (65, 3230812), (130, 1615406), (169, 1242620), (260, 807703), (338, 621310), (676, 310655), (845, 248524), (1690, 124262), (3380, 62131)]