1988490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 5785344

約数和(自身を除く): 3796854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 557, 595, 714, 1114, 1190, 1671, 1785, 2785, 3342, 3570, 3899, 5570, 7798, 8355, 9469, 11697, 16710, 18938, 19495, 23394, 28407, 38990, 47345, 56814, 58485, 66283, 94690, 116970, 132566, 142035, 198849, 284070, 331415, 397698, 662830, 994245, 1988490]

約数ペア:

[(1, 1988490), (2, 994245), (3, 662830), (5, 397698), (6, 331415), (7, 284070), (10, 198849), (14, 142035), (15, 132566), (17, 116970), (21, 94690), (30, 66283), (34, 58485), (35, 56814), (42, 47345), (51, 38990), (70, 28407), (85, 23394), (102, 19495), (105, 18938), (119, 16710), (170, 11697), (210, 9469), (238, 8355), (255, 7798), (357, 5570), (510, 3899), (557, 3570), (595, 3342), (714, 2785), (1114, 1785), (1190, 1671)]