1115690180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{1321}}^1$

素因数の和:1701

約数の個数: 72

約数和(自身を含む): 2584642200

約数和(自身を除く): 1468952020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 349, 484, 605, 698, 1210, 1321, 1396, 1745, 2420, 2642, 3490, 3839, 5284, 6605, 6980, 7678, 13210, 14531, 15356, 19195, 26420, 29062, 38390, 42229, 58124, 72655, 76780, 84458, 145310, 159841, 168916, 211145, 290620, 319682, 422290, 461029, 639364, 799205, 844580, 922058, 1598410, 1844116, 2305145, 3196820, 4610290, 5071319, 9220580, 10142638, 20285276, 25356595, 50713190, 55784509, 101426380, 111569018, 223138036, 278922545, 557845090, 1115690180]

約数ペア:

[(1, 1115690180), (2, 557845090), (4, 278922545), (5, 223138036), (10, 111569018), (11, 101426380), (20, 55784509), (22, 50713190), (44, 25356595), (55, 20285276), (110, 10142638), (121, 9220580), (220, 5071319), (242, 4610290), (349, 3196820), (484, 2305145), (605, 1844116), (698, 1598410), (1210, 922058), (1321, 844580), (1396, 799205), (1745, 639364), (2420, 461029), (2642, 422290), (3490, 319682), (3839, 290620), (5284, 211145), (6605, 168916), (6980, 159841), (7678, 145310), (13210, 84458), (14531, 76780), (15356, 72655), (19195, 58124), (26420, 42229), (29062, 38390)]