129866440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9521}}^1$

素因数の和:9574

約数の個数: 64

約数和(自身を含む): 329080320

約数和(自身を除く): 199213880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 9521, 13640, 19042, 38084, 47605, 76168, 95210, 104731, 190420, 209462, 295151, 380840, 418924, 523655, 590302, 837848, 1047310, 1180604, 1475755, 2094620, 2361208, 2951510, 3246661, 4189240, 5903020, 6493322, 11806040, 12986644, 16233305, 25973288, 32466610, 64933220, 129866440]

約数ペア:

[(1, 129866440), (2, 64933220), (4, 32466610), (5, 25973288), (8, 16233305), (10, 12986644), (11, 11806040), (20, 6493322), (22, 5903020), (31, 4189240), (40, 3246661), (44, 2951510), (55, 2361208), (62, 2094620), (88, 1475755), (110, 1180604), (124, 1047310), (155, 837848), (220, 590302), (248, 523655), (310, 418924), (341, 380840), (440, 295151), (620, 209462), (682, 190420), (1240, 104731), (1364, 95210), (1705, 76168), (2728, 47605), (3410, 38084), (6820, 19042), (9521, 13640)]