172915820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2463

約数の個数: 96

約数和(自身を含む): 462551040

約数和(自身を除く): 289635220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 55, 70, 77, 94, 110, 140, 154, 188, 220, 235, 308, 329, 385, 470, 517, 658, 770, 940, 1034, 1316, 1540, 1645, 2068, 2389, 2585, 3290, 3619, 4778, 5170, 6580, 7238, 9556, 10340, 11945, 14476, 16723, 18095, 23890, 26279, 33446, 36190, 47780, 52558, 66892, 72380, 83615, 105116, 112283, 131395, 167230, 183953, 224566, 262790, 334460, 367906, 449132, 525580, 561415, 735812, 785981, 919765, 1122830, 1235113, 1571962, 1839530, 2245660, 2470226, 3143924, 3679060, 3929905, 4940452, 6175565, 7859810, 8645791, 12351130, 15719620, 17291582, 24702260, 34583164, 43228955, 86457910, 172915820]

約数ペア:

[(1, 172915820), (2, 86457910), (4, 43228955), (5, 34583164), (7, 24702260), (10, 17291582), (11, 15719620), (14, 12351130), (20, 8645791), (22, 7859810), (28, 6175565), (35, 4940452), (44, 3929905), (47, 3679060), (55, 3143924), (70, 2470226), (77, 2245660), (94, 1839530), (110, 1571962), (140, 1235113), (154, 1122830), (188, 919765), (220, 785981), (235, 735812), (308, 561415), (329, 525580), (385, 449132), (470, 367906), (517, 334460), (658, 262790), (770, 224566), (940, 183953), (1034, 167230), (1316, 131395), (1540, 112283), (1645, 105116), (2068, 83615), (2389, 72380), (2585, 66892), (3290, 52558), (3619, 47780), (4778, 36190), (5170, 33446), (6580, 26279), (7238, 23890), (9556, 18095), (10340, 16723), (11945, 14476)]