127721860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29429}}^1$

素因数の和:29476

約数の個数: 48

約数和(自身を含む): 316431360

約数和(自身を除く): 188709500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 29429, 58858, 117716, 147145, 206003, 294290, 412006, 588580, 824012, 912299, 1030015, 1824598, 2060030, 3649196, 4120060, 4561495, 6386093, 9122990, 12772186, 18245980, 25544372, 31930465, 63860930, 127721860]

約数ペア:

[(1, 127721860), (2, 63860930), (4, 31930465), (5, 25544372), (7, 18245980), (10, 12772186), (14, 9122990), (20, 6386093), (28, 4561495), (31, 4120060), (35, 3649196), (62, 2060030), (70, 1824598), (124, 1030015), (140, 912299), (155, 824012), (217, 588580), (310, 412006), (434, 294290), (620, 206003), (868, 147145), (1085, 117716), (2170, 58858), (4340, 29429)]