2148930.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 28320280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 919, 1054, 1240, 1838, 2108, 2635, 3676, 4216, 4595, 5270, 7352, 9190, 10540, 15623, 18380, 21080, 28489, 31246, 36760, 56978, 62492, 78115, 113956, 124984, 142445, 156230, 227912, 284890, 312460, 484313, 569780, 624920, 968626, 1139560, 1937252, 2421565, 3874504, 4843130, 9686260, 19372520]

約数ペア:

[(1, 19372520), (2, 9686260), (4, 4843130), (5, 3874504), (8, 2421565), (10, 1937252), (17, 1139560), (20, 968626), (31, 624920), (34, 569780), (40, 484313), (62, 312460), (68, 284890), (85, 227912), (124, 156230), (136, 142445), (155, 124984), (170, 113956), (248, 78115), (310, 62492), (340, 56978), (527, 36760), (620, 31246), (680, 28489), (919, 21080), (1054, 18380), (1240, 15623), (1838, 10540), (2108, 9190), (2635, 7352), (3676, 5270), (4216, 4595)]