268550920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6043}}^1$

素因数の和:6166

約数の個数: 64

約数和(自身を含む): 665807040

約数和(自身を除く): 397256120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 4040, 4444, 5555, 6043, 8888, 11110, 12086, 22220, 24172, 30215, 44440, 48344, 60430, 66473, 120860, 132946, 241720, 265892, 332365, 531784, 610343, 664730, 1220686, 1329460, 2441372, 2658920, 3051715, 4882744, 6103430, 6713773, 12206860, 13427546, 24413720, 26855092, 33568865, 53710184, 67137730, 134275460, 268550920]

約数ペア:

[(1, 268550920), (2, 134275460), (4, 67137730), (5, 53710184), (8, 33568865), (10, 26855092), (11, 24413720), (20, 13427546), (22, 12206860), (40, 6713773), (44, 6103430), (55, 4882744), (88, 3051715), (101, 2658920), (110, 2441372), (202, 1329460), (220, 1220686), (404, 664730), (440, 610343), (505, 531784), (808, 332365), (1010, 265892), (1111, 241720), (2020, 132946), (2222, 120860), (4040, 66473), (4444, 60430), (5555, 48344), (6043, 44440), (8888, 30215), (11110, 24172), (12086, 22220)]