124694980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 268107840

約数和(自身を除く): 143412860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 244, 305, 358, 571, 610, 716, 895, 1142, 1220, 1790, 2284, 2855, 3580, 5710, 10919, 11420, 21838, 34831, 43676, 54595, 69662, 102209, 109190, 139324, 174155, 204418, 218380, 348310, 408836, 511045, 696620, 1022090, 2044180, 6234749, 12469498, 24938996, 31173745, 62347490, 124694980]

約数ペア:

[(1, 124694980), (2, 62347490), (4, 31173745), (5, 24938996), (10, 12469498), (20, 6234749), (61, 2044180), (122, 1022090), (179, 696620), (244, 511045), (305, 408836), (358, 348310), (571, 218380), (610, 204418), (716, 174155), (895, 139324), (1142, 109190), (1220, 102209), (1790, 69662), (2284, 54595), (2855, 43676), (3580, 34831), (5710, 21838), (10919, 11420)]