39220940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 95408880

約数和(自身を除く): 56187940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 853, 1045, 1210, 1706, 2090, 2299, 2420, 3412, 4180, 4265, 4598, 8530, 9196, 9383, 11495, 16207, 17060, 18766, 22990, 32414, 37532, 45980, 46915, 64828, 81035, 93830, 103213, 162070, 178277, 187660, 206426, 324140, 356554, 412852, 516065, 713108, 891385, 1032130, 1782770, 1961047, 2064260, 3565540, 3922094, 7844188, 9805235, 19610470, 39220940]

約数ペア:

[(1, 39220940), (2, 19610470), (4, 9805235), (5, 7844188), (10, 3922094), (11, 3565540), (19, 2064260), (20, 1961047), (22, 1782770), (38, 1032130), (44, 891385), (55, 713108), (76, 516065), (95, 412852), (110, 356554), (121, 324140), (190, 206426), (209, 187660), (220, 178277), (242, 162070), (380, 103213), (418, 93830), (484, 81035), (605, 64828), (836, 46915), (853, 45980), (1045, 37532), (1210, 32414), (1706, 22990), (2090, 18766), (2299, 17060), (2420, 16207), (3412, 11495), (4180, 9383), (4265, 9196), (4598, 8530)]