30747220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12919}}^1$

素因数の和:12952

約数の個数: 48

約数和(自身を含む): 78140160

約数和(自身を除く): 47392940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12919, 25838, 51676, 64595, 90433, 129190, 180866, 219623, 258380, 361732, 439246, 452165, 878492, 904330, 1098115, 1537361, 1808660, 2196230, 3074722, 4392460, 6149444, 7686805, 15373610, 30747220]

約数ペア:

[(1, 30747220), (2, 15373610), (4, 7686805), (5, 6149444), (7, 4392460), (10, 3074722), (14, 2196230), (17, 1808660), (20, 1537361), (28, 1098115), (34, 904330), (35, 878492), (68, 452165), (70, 439246), (85, 361732), (119, 258380), (140, 219623), (170, 180866), (238, 129190), (340, 90433), (476, 64595), (595, 51676), (1190, 25838), (2380, 12919)]