126428540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29131}}^1$

素因数の和:29178

約数の個数: 48

約数和(自身を含む): 313227264

約数和(自身を除く): 186798724

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, 29131, 58262, 116524, 145655, 203917, 291310, 407834, 582620, 815668, 903061, 1019585, 1806122, 2039170, 3612244, 4078340, 4515305, 6321427, 9030610, 12642854, 18061220, 25285708, 31607135, 63214270, 126428540]

約数ペア:

[(1, 126428540), (2, 63214270), (4, 31607135), (5, 25285708), (7, 18061220), (10, 12642854), (14, 9030610), (20, 6321427), (28, 4515305), (31, 4078340), (35, 3612244), (62, 2039170), (70, 1806122), (124, 1019585), (140, 903061), (155, 815668), (217, 582620), (310, 407834), (434, 291310), (620, 203917), (868, 145655), (1085, 116524), (2170, 58262), (4340, 29131)]