210654860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15287}}^1$

素因数の和:15362

約数の個数: 48

約数和(自身を含む): 485424576

約数和(自身を除く): 274769716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 15287, 30574, 61148, 76435, 152870, 198731, 305740, 397462, 794924, 810211, 993655, 1620422, 1987310, 3240844, 3974620, 4051055, 8102110, 10532743, 16204220, 21065486, 42130972, 52663715, 105327430, 210654860]

約数ペア:

[(1, 210654860), (2, 105327430), (4, 52663715), (5, 42130972), (10, 21065486), (13, 16204220), (20, 10532743), (26, 8102110), (52, 4051055), (53, 3974620), (65, 3240844), (106, 1987310), (130, 1620422), (212, 993655), (260, 810211), (265, 794924), (530, 397462), (689, 305740), (1060, 198731), (1378, 152870), (2756, 76435), (3445, 61148), (6890, 30574), (13780, 15287)]