30863140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 82656000

約数和(自身を除く): 51792860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 409, 490, 539, 686, 770, 818, 980, 1078, 1372, 1540, 1636, 1715, 2045, 2156, 2695, 2863, 3430, 3773, 4090, 4499, 5390, 5726, 6860, 7546, 8180, 8998, 10780, 11452, 14315, 15092, 17996, 18865, 20041, 22495, 28630, 31493, 37730, 40082, 44990, 57260, 62986, 75460, 80164, 89980, 100205, 125972, 140287, 157465, 200410, 220451, 280574, 314930, 400820, 440902, 561148, 629860, 701435, 881804, 1102255, 1402870, 1543157, 2204510, 2805740, 3086314, 4409020, 6172628, 7715785, 15431570, 30863140]

約数ペア:

[(1, 30863140), (2, 15431570), (4, 7715785), (5, 6172628), (7, 4409020), (10, 3086314), (11, 2805740), (14, 2204510), (20, 1543157), (22, 1402870), (28, 1102255), (35, 881804), (44, 701435), (49, 629860), (55, 561148), (70, 440902), (77, 400820), (98, 314930), (110, 280574), (140, 220451), (154, 200410), (196, 157465), (220, 140287), (245, 125972), (308, 100205), (343, 89980), (385, 80164), (409, 75460), (490, 62986), (539, 57260), (686, 44990), (770, 40082), (818, 37730), (980, 31493), (1078, 28630), (1372, 22495), (1540, 20041), (1636, 18865), (1715, 17996), (2045, 15092), (2156, 14315), (2695, 11452), (2863, 10780), (3430, 8998), (3773, 8180), (4090, 7546), (4499, 6860), (5390, 5726)]