30848156680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{987457}}^1$

素因数の和:987550

約数の個数: 64

約数和(自身を含む): 76784734080

約数和(自身を除く): 45936577400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 7810, 15620, 31240, 987457, 1974914, 3949828, 4937285, 7899656, 9874570, 10862027, 19749140, 21724054, 39498280, 43448108, 54310135, 70109447, 86896216, 108620270, 140218894, 217240540, 280437788, 350547235, 434481080, 560875576, 701094470, 771203917, 1402188940, 1542407834, 2804377880, 3084815668, 3856019585, 6169631336, 7712039170, 15424078340, 30848156680]

約数ペア:

[(1, 30848156680), (2, 15424078340), (4, 7712039170), (5, 6169631336), (8, 3856019585), (10, 3084815668), (11, 2804377880), (20, 1542407834), (22, 1402188940), (40, 771203917), (44, 701094470), (55, 560875576), (71, 434481080), (88, 350547235), (110, 280437788), (142, 217240540), (220, 140218894), (284, 108620270), (355, 86896216), (440, 70109447), (568, 54310135), (710, 43448108), (781, 39498280), (1420, 21724054), (1562, 19749140), (2840, 10862027), (3124, 9874570), (3905, 7899656), (6248, 4937285), (7810, 3949828), (15620, 1974914), (31240, 987457)]