193993880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 444709440

約数和(自身を除く): 250715560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 167, 226, 257, 334, 452, 514, 565, 668, 835, 904, 1028, 1130, 1285, 1336, 1670, 2056, 2260, 2570, 3340, 4520, 5140, 6680, 10280, 18871, 29041, 37742, 42919, 58082, 75484, 85838, 94355, 116164, 145205, 150968, 171676, 188710, 214595, 232328, 290410, 343352, 377420, 429190, 580820, 754840, 858380, 1161640, 1716760, 4849847, 9699694, 19399388, 24249235, 38798776, 48498470, 96996940, 193993880]

約数ペア:

[(1, 193993880), (2, 96996940), (4, 48498470), (5, 38798776), (8, 24249235), (10, 19399388), (20, 9699694), (40, 4849847), (113, 1716760), (167, 1161640), (226, 858380), (257, 754840), (334, 580820), (452, 429190), (514, 377420), (565, 343352), (668, 290410), (835, 232328), (904, 214595), (1028, 188710), (1130, 171676), (1285, 150968), (1336, 145205), (1670, 116164), (2056, 94355), (2260, 85838), (2570, 75484), (3340, 58082), (4520, 42919), (5140, 37742), (6680, 29041), (10280, 18871)]