168992840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 402408000

約数和(自身を除く): 233415160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 229, 380, 458, 760, 916, 971, 1145, 1832, 1942, 2290, 3884, 4351, 4580, 4855, 7768, 8702, 9160, 9710, 17404, 18449, 19420, 21755, 34808, 36898, 38840, 43510, 73796, 87020, 92245, 147592, 174040, 184490, 222359, 368980, 444718, 737960, 889436, 1111795, 1778872, 2223590, 4224821, 4447180, 8449642, 8894360, 16899284, 21124105, 33798568, 42248210, 84496420, 168992840]

約数ペア:

[(1, 168992840), (2, 84496420), (4, 42248210), (5, 33798568), (8, 21124105), (10, 16899284), (19, 8894360), (20, 8449642), (38, 4447180), (40, 4224821), (76, 2223590), (95, 1778872), (152, 1111795), (190, 889436), (229, 737960), (380, 444718), (458, 368980), (760, 222359), (916, 184490), (971, 174040), (1145, 147592), (1832, 92245), (1942, 87020), (2290, 73796), (3884, 43510), (4351, 38840), (4580, 36898), (4855, 34808), (7768, 21755), (8702, 19420), (9160, 18449), (9710, 17404)]