19782105300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{21980117}}^1$

素因数の和:21980137

約数の個数: 54

約数和(自身を含む): 62005912878

約数和(自身を除く): 42223807578

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 21980117, 43960234, 65940351, 87920468, 109900585, 131880702, 197821053, 219801170, 263761404, 329701755, 395642106, 439602340, 549502925, 659403510, 791284212, 989105265, 1099005850, 1318807020, 1648508775, 1978210530, 2198011700, 3297017550, 3956421060, 4945526325, 6594035100, 9891052650, 19782105300]

約数ペア:

[(1, 19782105300), (2, 9891052650), (3, 6594035100), (4, 4945526325), (5, 3956421060), (6, 3297017550), (9, 2198011700), (10, 1978210530), (12, 1648508775), (15, 1318807020), (18, 1099005850), (20, 989105265), (25, 791284212), (30, 659403510), (36, 549502925), (45, 439602340), (50, 395642106), (60, 329701755), (75, 263761404), (90, 219801170), (100, 197821053), (150, 131880702), (180, 109900585), (225, 87920468), (300, 65940351), (450, 43960234), (900, 21980117)]