2247807920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{10639}}^1$

素因数の和:10810

約数の個数: 80

約数和(自身を含む): 5541312000

約数和(自身を除く): 3293504080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 556, 695, 760, 1112, 1390, 1520, 2224, 2641, 2780, 5282, 5560, 10564, 10639, 11120, 13205, 21128, 21278, 26410, 42256, 42556, 52820, 53195, 85112, 105640, 106390, 170224, 202141, 211280, 212780, 404282, 425560, 808564, 851120, 1010705, 1478821, 1617128, 2021410, 2957642, 3234256, 4042820, 5915284, 7394105, 8085640, 11830568, 14788210, 16171280, 23661136, 28097599, 29576420, 56195198, 59152840, 112390396, 118305680, 140487995, 224780792, 280975990, 449561584, 561951980, 1123903960, 2247807920]

約数ペア:

[(1, 2247807920), (2, 1123903960), (4, 561951980), (5, 449561584), (8, 280975990), (10, 224780792), (16, 140487995), (19, 118305680), (20, 112390396), (38, 59152840), (40, 56195198), (76, 29576420), (80, 28097599), (95, 23661136), (139, 16171280), (152, 14788210), (190, 11830568), (278, 8085640), (304, 7394105), (380, 5915284), (556, 4042820), (695, 3234256), (760, 2957642), (1112, 2021410), (1390, 1617128), (1520, 1478821), (2224, 1010705), (2641, 851120), (2780, 808564), (5282, 425560), (5560, 404282), (10564, 212780), (10639, 211280), (11120, 202141), (13205, 170224), (21128, 106390), (21278, 105640), (26410, 85112), (42256, 53195), (42556, 52820)]