669490580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{7477}}^1$

素因数の和:7545

約数の個数: 72

約数和(自身を含む): 1587340104

約数和(自身を除く): 917849524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 1210, 1628, 2035, 2420, 4070, 4477, 7477, 8140, 8954, 14954, 17908, 22385, 29908, 37385, 44770, 74770, 82247, 89540, 149540, 164494, 276649, 328988, 411235, 553298, 822470, 904717, 1106596, 1383245, 1644940, 1809434, 2766490, 3043139, 3618868, 4523585, 5532980, 6086278, 9047170, 12172556, 15215695, 18094340, 30431390, 33474529, 60862780, 66949058, 133898116, 167372645, 334745290, 669490580]

約数ペア:

[(1, 669490580), (2, 334745290), (4, 167372645), (5, 133898116), (10, 66949058), (11, 60862780), (20, 33474529), (22, 30431390), (37, 18094340), (44, 15215695), (55, 12172556), (74, 9047170), (110, 6086278), (121, 5532980), (148, 4523585), (185, 3618868), (220, 3043139), (242, 2766490), (370, 1809434), (407, 1644940), (484, 1383245), (605, 1106596), (740, 904717), (814, 822470), (1210, 553298), (1628, 411235), (2035, 328988), (2420, 276649), (4070, 164494), (4477, 149540), (7477, 89540), (8140, 82247), (8954, 74770), (14954, 44770), (17908, 37385), (22385, 29908)]