129690800

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3643}}^1$

素因数の和:3750

約数の個数: 60

約数和(自身を含む): 315169560

約数和(自身を除く): 185478760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 712, 890, 1424, 1780, 2225, 3560, 3643, 4450, 7120, 7286, 8900, 14572, 17800, 18215, 29144, 35600, 36430, 58288, 72860, 91075, 145720, 182150, 291440, 324227, 364300, 648454, 728600, 1296908, 1457200, 1621135, 2593816, 3242270, 5187632, 6484540, 8105675, 12969080, 16211350, 25938160, 32422700, 64845400, 129690800]

約数ペア:

[(1, 129690800), (2, 64845400), (4, 32422700), (5, 25938160), (8, 16211350), (10, 12969080), (16, 8105675), (20, 6484540), (25, 5187632), (40, 3242270), (50, 2593816), (80, 1621135), (89, 1457200), (100, 1296908), (178, 728600), (200, 648454), (356, 364300), (400, 324227), (445, 291440), (712, 182150), (890, 145720), (1424, 91075), (1780, 72860), (2225, 58288), (3560, 36430), (3643, 35600), (4450, 29144), (7120, 18215), (7286, 17800), (8900, 14572)]