73780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:64

約数の個数: 48

約数和(自身を含む): 193536

約数和(自身を除く): 119756

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 434, 476, 527, 595, 620, 868, 1054, 1085, 1190, 2108, 2170, 2380, 2635, 3689, 4340, 5270, 7378, 10540, 14756, 18445, 36890, 73780]

約数ペア:

[(1, 73780), (2, 36890), (4, 18445), (5, 14756), (7, 10540), (10, 7378), (14, 5270), (17, 4340), (20, 3689), (28, 2635), (31, 2380), (34, 2170), (35, 2108), (62, 1190), (68, 1085), (70, 1054), (85, 868), (119, 620), (124, 595), (140, 527), (155, 476), (170, 434), (217, 340), (238, 310)]