209933910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1213}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 561159360

約数和(自身を除く): 351225450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 641, 1213, 1282, 1923, 2426, 3205, 3639, 3846, 5769, 6065, 6410, 7278, 9615, 10917, 11538, 12130, 17307, 18195, 19230, 21834, 28845, 32751, 34614, 36390, 54585, 57690, 65502, 86535, 109170, 163755, 173070, 327510, 777533, 1555066, 2332599, 3887665, 4665198, 6997797, 7775330, 11662995, 13995594, 20993391, 23325990, 34988985, 41986782, 69977970, 104966955, 209933910]

約数ペア:

[(1, 209933910), (2, 104966955), (3, 69977970), (5, 41986782), (6, 34988985), (9, 23325990), (10, 20993391), (15, 13995594), (18, 11662995), (27, 7775330), (30, 6997797), (45, 4665198), (54, 3887665), (90, 2332599), (135, 1555066), (270, 777533), (641, 327510), (1213, 173070), (1282, 163755), (1923, 109170), (2426, 86535), (3205, 65502), (3639, 57690), (3846, 54585), (5769, 36390), (6065, 34614), (6410, 32751), (7278, 28845), (9615, 21834), (10917, 19230), (11538, 18195), (12130, 17307)]