210221220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{719}}^1$

素因数の和:1185

約数の個数: 96

約数和(自身を含む): 644474880

約数和(自身を除く): 434253660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 443, 660, 719, 886, 1329, 1438, 1772, 2157, 2215, 2658, 2876, 3595, 4314, 4430, 4873, 5316, 6645, 7190, 7909, 8628, 8860, 9746, 10785, 13290, 14380, 14619, 15818, 19492, 21570, 23727, 24365, 26580, 29238, 31636, 39545, 43140, 47454, 48730, 58476, 73095, 79090, 94908, 97460, 118635, 146190, 158180, 237270, 292380, 318517, 474540, 637034, 955551, 1274068, 1592585, 1911102, 3185170, 3503687, 3822204, 4777755, 6370340, 7007374, 9555510, 10511061, 14014748, 17518435, 19111020, 21022122, 35036870, 42044244, 52555305, 70073740, 105110610, 210221220]

約数ペア:

[(1, 210221220), (2, 105110610), (3, 70073740), (4, 52555305), (5, 42044244), (6, 35036870), (10, 21022122), (11, 19111020), (12, 17518435), (15, 14014748), (20, 10511061), (22, 9555510), (30, 7007374), (33, 6370340), (44, 4777755), (55, 3822204), (60, 3503687), (66, 3185170), (110, 1911102), (132, 1592585), (165, 1274068), (220, 955551), (330, 637034), (443, 474540), (660, 318517), (719, 292380), (886, 237270), (1329, 158180), (1438, 146190), (1772, 118635), (2157, 97460), (2215, 94908), (2658, 79090), (2876, 73095), (3595, 58476), (4314, 48730), (4430, 47454), (4873, 43140), (5316, 39545), (6645, 31636), (7190, 29238), (7909, 26580), (8628, 24365), (8860, 23727), (9746, 21570), (10785, 19492), (13290, 15818), (14380, 14619)]