189879040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11411}}^1$

素因数の和:11445

約数の個数: 72

約数和(自身を含む): 489848688

約数和(自身を除く): 299969648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 11411, 16640, 22822, 45644, 57055, 91288, 114110, 148343, 182576, 228220, 296686, 365152, 456440, 593372, 730304, 741715, 912880, 1186744, 1460608, 1483430, 1825760, 2373488, 2921216, 2966860, 3651520, 4746976, 5933720, 7303040, 9493952, 11867440, 14606080, 18987904, 23734880, 37975808, 47469760, 94939520, 189879040]

約数ペア:

[(1, 189879040), (2, 94939520), (4, 47469760), (5, 37975808), (8, 23734880), (10, 18987904), (13, 14606080), (16, 11867440), (20, 9493952), (26, 7303040), (32, 5933720), (40, 4746976), (52, 3651520), (64, 2966860), (65, 2921216), (80, 2373488), (104, 1825760), (128, 1483430), (130, 1460608), (160, 1186744), (208, 912880), (256, 741715), (260, 730304), (320, 593372), (416, 456440), (520, 365152), (640, 296686), (832, 228220), (1040, 182576), (1280, 148343), (1664, 114110), (2080, 91288), (3328, 57055), (4160, 45644), (8320, 22822), (11411, 16640)]