391566160

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{67049}}^1$

素因数の和:67135

約数の個数: 40

約数和(自身を含む): 922876200

約数和(自身を除く): 531310040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 67049, 134098, 268196, 335245, 536392, 670490, 1072784, 1340980, 2681960, 4894577, 5363920, 9789154, 19578308, 24472885, 39156616, 48945770, 78313232, 97891540, 195783080, 391566160]

約数ペア:

[(1, 391566160), (2, 195783080), (4, 97891540), (5, 78313232), (8, 48945770), (10, 39156616), (16, 24472885), (20, 19578308), (40, 9789154), (73, 5363920), (80, 4894577), (146, 2681960), (292, 1340980), (365, 1072784), (584, 670490), (730, 536392), (1168, 335245), (1460, 268196), (2920, 134098), (5840, 67049)]