42206890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 87246720

約数和(自身を除く): 45039830

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 101, 110, 131, 145, 202, 262, 290, 319, 505, 638, 655, 1010, 1111, 1310, 1441, 1595, 2222, 2882, 2929, 3190, 3799, 5555, 5858, 7205, 7598, 11110, 13231, 14410, 14645, 18995, 26462, 29290, 32219, 37990, 41789, 64438, 66155, 83578, 132310, 145541, 161095, 208945, 291082, 322190, 383699, 417890, 727705, 767398, 1455410, 1918495, 3836990, 4220689, 8441378, 21103445, 42206890]

約数ペア:

[(1, 42206890), (2, 21103445), (5, 8441378), (10, 4220689), (11, 3836990), (22, 1918495), (29, 1455410), (55, 767398), (58, 727705), (101, 417890), (110, 383699), (131, 322190), (145, 291082), (202, 208945), (262, 161095), (290, 145541), (319, 132310), (505, 83578), (638, 66155), (655, 64438), (1010, 41789), (1111, 37990), (1310, 32219), (1441, 29290), (1595, 26462), (2222, 18995), (2882, 14645), (2929, 14410), (3190, 13231), (3799, 11110), (5555, 7598), (5858, 7205)]