1285681930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1663}}^1$

素因数の和:2015

約数の個数: 64

約数和(自身を含む): 2633379840

約数和(自身を除く): 1347697910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 313, 494, 626, 1235, 1565, 1663, 2470, 3130, 3326, 4069, 5947, 8138, 8315, 11894, 16630, 20345, 21619, 29735, 31597, 40690, 43238, 59470, 63194, 77311, 108095, 154622, 157985, 216190, 315970, 386555, 410761, 520519, 773110, 821522, 1041038, 2053805, 2602595, 4107610, 5205190, 6766747, 9889861, 13533494, 19779722, 33833735, 49449305, 67667470, 98898610, 128568193, 257136386, 642840965, 1285681930]

約数ペア:

[(1, 1285681930), (2, 642840965), (5, 257136386), (10, 128568193), (13, 98898610), (19, 67667470), (26, 49449305), (38, 33833735), (65, 19779722), (95, 13533494), (130, 9889861), (190, 6766747), (247, 5205190), (313, 4107610), (494, 2602595), (626, 2053805), (1235, 1041038), (1565, 821522), (1663, 773110), (2470, 520519), (3130, 410761), (3326, 386555), (4069, 315970), (5947, 216190), (8138, 157985), (8315, 154622), (11894, 108095), (16630, 77311), (20345, 63194), (21619, 59470), (29735, 43238), (31597, 40690)]