2143001960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{442769}}^1$

素因数の和:442802

約数の個数: 48

約数和(自身を含む): 5299956900

約数和(自身を除く): 3156954940

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 442769, 885538, 1771076, 2213845, 3542152, 4427690, 4870459, 8855380, 9740918, 17710760, 19481836, 24352295, 38963672, 48704590, 53575049, 97409180, 107150098, 194818360, 214300196, 267875245, 428600392, 535750490, 1071500980, 2143001960]

約数ペア:

[(1, 2143001960), (2, 1071500980), (4, 535750490), (5, 428600392), (8, 267875245), (10, 214300196), (11, 194818360), (20, 107150098), (22, 97409180), (40, 53575049), (44, 48704590), (55, 38963672), (88, 24352295), (110, 19481836), (121, 17710760), (220, 9740918), (242, 8855380), (440, 4870459), (484, 4427690), (605, 3542152), (968, 2213845), (1210, 1771076), (2420, 885538), (4840, 442769)]