30828820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8243}}^1$

素因数の和:8280

約数の個数: 48

約数和(自身を含む): 74789568

約数和(自身を除く): 43960748

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 8243, 16486, 32972, 41215, 82430, 90673, 140131, 164860, 181346, 280262, 362692, 453365, 560524, 700655, 906730, 1401310, 1541441, 1813460, 2802620, 3082882, 6165764, 7707205, 15414410, 30828820]

約数ペア:

[(1, 30828820), (2, 15414410), (4, 7707205), (5, 6165764), (10, 3082882), (11, 2802620), (17, 1813460), (20, 1541441), (22, 1401310), (34, 906730), (44, 700655), (55, 560524), (68, 453365), (85, 362692), (110, 280262), (170, 181346), (187, 164860), (220, 140131), (340, 90673), (374, 82430), (748, 41215), (935, 32972), (1870, 16486), (3740, 8243)]