290708440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{1427}}^1$

素因数の和:1912

約数の個数: 64

約数和(自身を含む): 715599360

約数和(自身を除く): 424890920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 463, 926, 1427, 1852, 2315, 2854, 3704, 4630, 5093, 5708, 7135, 9260, 10186, 11416, 14270, 15697, 18520, 20372, 25465, 28540, 31394, 40744, 50930, 57080, 62788, 78485, 101860, 125576, 156970, 203720, 313940, 627880, 660701, 1321402, 2642804, 3303505, 5285608, 6607010, 7267711, 13214020, 14535422, 26428040, 29070844, 36338555, 58141688, 72677110, 145354220, 290708440]

約数ペア:

[(1, 290708440), (2, 145354220), (4, 72677110), (5, 58141688), (8, 36338555), (10, 29070844), (11, 26428040), (20, 14535422), (22, 13214020), (40, 7267711), (44, 6607010), (55, 5285608), (88, 3303505), (110, 2642804), (220, 1321402), (440, 660701), (463, 627880), (926, 313940), (1427, 203720), (1852, 156970), (2315, 125576), (2854, 101860), (3704, 78485), (4630, 62788), (5093, 57080), (5708, 50930), (7135, 40744), (9260, 31394), (10186, 28540), (11416, 25465), (14270, 20372), (15697, 18520)]