38746340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 83462400

約数和(自身を除く): 44716060

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 179, 274, 316, 358, 395, 548, 685, 716, 790, 895, 1370, 1580, 1790, 2740, 3580, 10823, 14141, 21646, 24523, 28282, 43292, 49046, 54115, 56564, 70705, 98092, 108230, 122615, 141410, 216460, 245230, 282820, 490460, 1937317, 3874634, 7749268, 9686585, 19373170, 38746340]

約数ペア:

[(1, 38746340), (2, 19373170), (4, 9686585), (5, 7749268), (10, 3874634), (20, 1937317), (79, 490460), (137, 282820), (158, 245230), (179, 216460), (274, 141410), (316, 122615), (358, 108230), (395, 98092), (548, 70705), (685, 56564), (716, 54115), (790, 49046), (895, 43292), (1370, 28282), (1580, 24523), (1790, 21646), (2740, 14141), (3580, 10823)]