291217960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{60169}}^1$

素因数の和:60202

約数の個数: 48

約数和(自身を含む): 720234900

約数和(自身を除く): 429016940

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, 60169, 120338, 240676, 300845, 481352, 601690, 661859, 1203380, 1323718, 2406760, 2647436, 3309295, 5294872, 6618590, 7280449, 13237180, 14560898, 26474360, 29121796, 36402245, 58243592, 72804490, 145608980, 291217960]

約数ペア:

[(1, 291217960), (2, 145608980), (4, 72804490), (5, 58243592), (8, 36402245), (10, 29121796), (11, 26474360), (20, 14560898), (22, 13237180), (40, 7280449), (44, 6618590), (55, 5294872), (88, 3309295), (110, 2647436), (121, 2406760), (220, 1323718), (242, 1203380), (440, 661859), (484, 601690), (605, 481352), (968, 300845), (1210, 240676), (2420, 120338), (4840, 60169)]