115509020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 271479600

約数和(自身を除く): 155970580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 220, 236, 242, 295, 484, 590, 605, 649, 809, 1180, 1210, 1298, 1618, 2420, 2596, 3236, 3245, 4045, 6490, 7139, 8090, 8899, 12980, 14278, 16180, 17798, 28556, 35596, 35695, 44495, 47731, 71390, 88990, 95462, 97889, 142780, 177980, 190924, 195778, 238655, 391556, 477310, 489445, 525041, 954620, 978890, 1050082, 1957780, 2100164, 2625205, 5250410, 5775451, 10500820, 11550902, 23101804, 28877255, 57754510, 115509020]

約数ペア:

[(1, 115509020), (2, 57754510), (4, 28877255), (5, 23101804), (10, 11550902), (11, 10500820), (20, 5775451), (22, 5250410), (44, 2625205), (55, 2100164), (59, 1957780), (110, 1050082), (118, 978890), (121, 954620), (220, 525041), (236, 489445), (242, 477310), (295, 391556), (484, 238655), (590, 195778), (605, 190924), (649, 177980), (809, 142780), (1180, 97889), (1210, 95462), (1298, 88990), (1618, 71390), (2420, 47731), (2596, 44495), (3236, 35695), (3245, 35596), (4045, 28556), (6490, 17798), (7139, 16180), (8090, 14278), (8899, 12980)]