61720990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 118525680

約数和(自身を除く): 56804690

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 179, 205, 290, 358, 410, 841, 895, 1189, 1682, 1790, 2378, 4205, 5191, 5945, 7339, 8410, 10382, 11890, 14678, 25955, 34481, 36695, 51910, 68962, 73390, 150539, 172405, 212831, 301078, 344810, 425662, 752695, 1064155, 1505390, 2128310, 6172099, 12344198, 30860495, 61720990]

約数ペア:

[(1, 61720990), (2, 30860495), (5, 12344198), (10, 6172099), (29, 2128310), (41, 1505390), (58, 1064155), (82, 752695), (145, 425662), (179, 344810), (205, 301078), (290, 212831), (358, 172405), (410, 150539), (841, 73390), (895, 68962), (1189, 51910), (1682, 36695), (1790, 34481), (2378, 25955), (4205, 14678), (5191, 11890), (5945, 10382), (7339, 8410)]