1820404292

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{887}}^1$

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 3823735104

約数和(自身を除く): 2003330812

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 283, 518, 566, 887, 1036, 1132, 1774, 1813, 1981, 3548, 3626, 3962, 6209, 7252, 7924, 10471, 12418, 13867, 20942, 24836, 27734, 32819, 41884, 43463, 55468, 65638, 73297, 86926, 131276, 146594, 173852, 229733, 251021, 293188, 459466, 502042, 513079, 918932, 1004084, 1026158, 1608131, 1757147, 2052316, 3216262, 3514294, 6432524, 7028588, 9287777, 12300029, 18575554, 24600058, 37151108, 49200116, 65014439, 130028878, 260057756, 455101073, 910202146, 1820404292]

約数ペア:

[(1, 1820404292), (2, 910202146), (4, 455101073), (7, 260057756), (14, 130028878), (28, 65014439), (37, 49200116), (49, 37151108), (74, 24600058), (98, 18575554), (148, 12300029), (196, 9287777), (259, 7028588), (283, 6432524), (518, 3514294), (566, 3216262), (887, 2052316), (1036, 1757147), (1132, 1608131), (1774, 1026158), (1813, 1004084), (1981, 918932), (3548, 513079), (3626, 502042), (3962, 459466), (6209, 293188), (7252, 251021), (7924, 229733), (10471, 173852), (12418, 146594), (13867, 131276), (20942, 86926), (24836, 73297), (27734, 65638), (32819, 55468), (41884, 43463)]