30985460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1109}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 71608320

約数和(自身を除く): 40622860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1109, 1270, 1397, 2218, 2540, 2794, 4436, 5545, 5588, 6985, 11090, 12199, 13970, 22180, 24398, 27940, 48796, 60995, 121990, 140843, 243980, 281686, 563372, 704215, 1408430, 1549273, 2816860, 3098546, 6197092, 7746365, 15492730, 30985460]

約数ペア:

[(1, 30985460), (2, 15492730), (4, 7746365), (5, 6197092), (10, 3098546), (11, 2816860), (20, 1549273), (22, 1408430), (44, 704215), (55, 563372), (110, 281686), (127, 243980), (220, 140843), (254, 121990), (508, 60995), (635, 48796), (1109, 27940), (1270, 24398), (1397, 22180), (2218, 13970), (2540, 12199), (2794, 11090), (4436, 6985), (5545, 5588)]