156947721820

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1979}}^1\times {\mathrm{14741}}^1$

素因数の和:16998

約数の個数: 48

約数和(自身を含む): 331005074400

約数和(自身を除く): 174057352580

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 1979, 2690, 3958, 5380, 7916, 9895, 14741, 19790, 29482, 39580, 58964, 73705, 147410, 294820, 532351, 1064702, 2129404, 2661755, 3965329, 5323510, 7930658, 10647020, 15861316, 19826645, 29172439, 39653290, 58344878, 79306580, 116689756, 145862195, 291724390, 583448780, 7847386091, 15694772182, 31389544364, 39236930455, 78473860910, 156947721820]

約数ペア:

[(1, 156947721820), (2, 78473860910), (4, 39236930455), (5, 31389544364), (10, 15694772182), (20, 7847386091), (269, 583448780), (538, 291724390), (1076, 145862195), (1345, 116689756), (1979, 79306580), (2690, 58344878), (3958, 39653290), (5380, 29172439), (7916, 19826645), (9895, 15861316), (14741, 10647020), (19790, 7930658), (29482, 5323510), (39580, 3965329), (58964, 2661755), (73705, 2129404), (147410, 1064702), (294820, 532351)]