31310930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 68124672

約数和(自身を除く): 36813742

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 47, 62, 70, 94, 155, 217, 235, 307, 310, 329, 434, 470, 614, 658, 1085, 1457, 1535, 1645, 2149, 2170, 2914, 3070, 3290, 4298, 7285, 9517, 10199, 10745, 14429, 14570, 19034, 20398, 21490, 28858, 47585, 50995, 66619, 72145, 95170, 101003, 101990, 133238, 144290, 202006, 333095, 447299, 505015, 666190, 894598, 1010030, 2236495, 3131093, 4472990, 6262186, 15655465, 31310930]

約数ペア:

[(1, 31310930), (2, 15655465), (5, 6262186), (7, 4472990), (10, 3131093), (14, 2236495), (31, 1010030), (35, 894598), (47, 666190), (62, 505015), (70, 447299), (94, 333095), (155, 202006), (217, 144290), (235, 133238), (307, 101990), (310, 101003), (329, 95170), (434, 72145), (470, 66619), (614, 50995), (658, 47585), (1085, 28858), (1457, 21490), (1535, 20398), (1645, 19034), (2149, 14570), (2170, 14429), (2914, 10745), (3070, 10199), (3290, 9517), (4298, 7285)]