42440200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 109278720

約数和(自身を除く): 66838520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 101, 110, 191, 200, 202, 220, 275, 382, 404, 440, 505, 550, 764, 808, 955, 1010, 1100, 1111, 1528, 1910, 2020, 2101, 2200, 2222, 2525, 3820, 4040, 4202, 4444, 4775, 5050, 5555, 7640, 8404, 8888, 9550, 10100, 10505, 11110, 16808, 19100, 19291, 20200, 21010, 22220, 27775, 38200, 38582, 42020, 44440, 52525, 55550, 77164, 84040, 96455, 105050, 111100, 154328, 192910, 210100, 212201, 222200, 385820, 420200, 424402, 482275, 771640, 848804, 964550, 1061005, 1697608, 1929100, 2122010, 3858200, 4244020, 5305025, 8488040, 10610050, 21220100, 42440200]

約数ペア:

[(1, 42440200), (2, 21220100), (4, 10610050), (5, 8488040), (8, 5305025), (10, 4244020), (11, 3858200), (20, 2122010), (22, 1929100), (25, 1697608), (40, 1061005), (44, 964550), (50, 848804), (55, 771640), (88, 482275), (100, 424402), (101, 420200), (110, 385820), (191, 222200), (200, 212201), (202, 210100), (220, 192910), (275, 154328), (382, 111100), (404, 105050), (440, 96455), (505, 84040), (550, 77164), (764, 55550), (808, 52525), (955, 44440), (1010, 42020), (1100, 38582), (1111, 38200), (1528, 27775), (1910, 22220), (2020, 21010), (2101, 20200), (2200, 19291), (2222, 19100), (2525, 16808), (3820, 11110), (4040, 10505), (4202, 10100), (4444, 9550), (4775, 8888), (5050, 8404), (5555, 7640)]