388194620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{3413}}^1$

素因数の和:3491

約数の個数: 72

約数和(自身を含む): 915388992

約数和(自身を除く): 527194372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 940, 1034, 1210, 2068, 2420, 2585, 3413, 5170, 5687, 6826, 10340, 11374, 13652, 17065, 22748, 28435, 34130, 37543, 56870, 68260, 75086, 113740, 150172, 160411, 187715, 320822, 375430, 412973, 641644, 750860, 802055, 825946, 1604110, 1651892, 1764521, 2064865, 3208220, 3529042, 4129730, 7058084, 8259460, 8822605, 17645210, 19409731, 35290420, 38819462, 77638924, 97048655, 194097310, 388194620]

約数ペア:

[(1, 388194620), (2, 194097310), (4, 97048655), (5, 77638924), (10, 38819462), (11, 35290420), (20, 19409731), (22, 17645210), (44, 8822605), (47, 8259460), (55, 7058084), (94, 4129730), (110, 3529042), (121, 3208220), (188, 2064865), (220, 1764521), (235, 1651892), (242, 1604110), (470, 825946), (484, 802055), (517, 750860), (605, 641644), (940, 412973), (1034, 375430), (1210, 320822), (2068, 187715), (2420, 160411), (2585, 150172), (3413, 113740), (5170, 75086), (5687, 68260), (6826, 56870), (10340, 37543), (11374, 34130), (13652, 28435), (17065, 22748)]