189944960

素因数分解:

$2^7\times 5^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 455787000

約数和(自身を除く): 265842040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 449, 640, 661, 898, 1322, 1796, 2245, 2644, 3305, 3592, 4490, 5288, 6610, 7184, 8980, 10576, 13220, 14368, 17960, 21152, 26440, 28736, 35920, 42304, 52880, 57472, 71840, 84608, 105760, 143680, 211520, 287360, 296789, 423040, 593578, 1187156, 1483945, 2374312, 2967890, 4748624, 5935780, 9497248, 11871560, 18994496, 23743120, 37988992, 47486240, 94972480, 189944960]

約数ペア:

[(1, 189944960), (2, 94972480), (4, 47486240), (5, 37988992), (8, 23743120), (10, 18994496), (16, 11871560), (20, 9497248), (32, 5935780), (40, 4748624), (64, 2967890), (80, 2374312), (128, 1483945), (160, 1187156), (320, 593578), (449, 423040), (640, 296789), (661, 287360), (898, 211520), (1322, 143680), (1796, 105760), (2245, 84608), (2644, 71840), (3305, 57472), (3592, 52880), (4490, 42304), (5288, 35920), (6610, 28736), (7184, 26440), (8980, 21152), (10576, 17960), (13220, 14368)]