2021855170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 3891888000

約数和(自身を除く): 1870032830

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 233, 419, 466, 545, 838, 1090, 1165, 2071, 2095, 2330, 4142, 4190, 4427, 7961, 8854, 10355, 15922, 20710, 22135, 25397, 39805, 44270, 45671, 50794, 79610, 91342, 97627, 126985, 195254, 228355, 253970, 456710, 482543, 488135, 867749, 965086, 976270, 1735498, 1854913, 2412715, 3709826, 4338745, 4825430, 8677490, 9274565, 10641343, 18549130, 21282686, 53206715, 106413430, 202185517, 404371034, 1010927585, 2021855170]

約数ペア:

[(1, 2021855170), (2, 1010927585), (5, 404371034), (10, 202185517), (19, 106413430), (38, 53206715), (95, 21282686), (109, 18549130), (190, 10641343), (218, 9274565), (233, 8677490), (419, 4825430), (466, 4338745), (545, 3709826), (838, 2412715), (1090, 1854913), (1165, 1735498), (2071, 976270), (2095, 965086), (2330, 867749), (4142, 488135), (4190, 482543), (4427, 456710), (7961, 253970), (8854, 228355), (10355, 195254), (15922, 126985), (20710, 97627), (22135, 91342), (25397, 79610), (39805, 50794), (44270, 45671)]