2097431780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{19709}}^1$

素因数の和:20048

約数の個数: 48

約数和(自身を含む): 4678838640

約数和(自身を除く): 2581406860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 313, 340, 626, 1252, 1565, 3130, 5321, 6260, 10642, 19709, 21284, 26605, 39418, 53210, 78836, 98545, 106420, 197090, 335053, 394180, 670106, 1340212, 1675265, 3350530, 6168917, 6701060, 12337834, 24675668, 30844585, 61689170, 104871589, 123378340, 209743178, 419486356, 524357945, 1048715890, 2097431780]

約数ペア:

[(1, 2097431780), (2, 1048715890), (4, 524357945), (5, 419486356), (10, 209743178), (17, 123378340), (20, 104871589), (34, 61689170), (68, 30844585), (85, 24675668), (170, 12337834), (313, 6701060), (340, 6168917), (626, 3350530), (1252, 1675265), (1565, 1340212), (3130, 670106), (5321, 394180), (6260, 335053), (10642, 197090), (19709, 106420), (21284, 98545), (26605, 78836), (39418, 53210)]