376622180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8241

約数の個数: 72

約数和(自身を含む): 915210240

約数和(自身を除く): 538588060

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, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 8191, 9196, 11495, 16382, 22990, 32764, 40955, 45980, 81910, 90101, 155629, 163820, 180202, 311258, 360404, 450505, 622516, 778145, 901010, 991111, 1556290, 1711919, 1802020, 1982222, 3112580, 3423838, 3964444, 4955555, 6847676, 8559595, 9911110, 17119190, 18831109, 19822220, 34238380, 37662218, 75324436, 94155545, 188311090, 376622180]

約数ペア:

[(1, 376622180), (2, 188311090), (4, 94155545), (5, 75324436), (10, 37662218), (11, 34238380), (19, 19822220), (20, 18831109), (22, 17119190), (38, 9911110), (44, 8559595), (55, 6847676), (76, 4955555), (95, 3964444), (110, 3423838), (121, 3112580), (190, 1982222), (209, 1802020), (220, 1711919), (242, 1556290), (380, 991111), (418, 901010), (484, 778145), (605, 622516), (836, 450505), (1045, 360404), (1210, 311258), (2090, 180202), (2299, 163820), (2420, 155629), (4180, 90101), (4598, 81910), (8191, 45980), (9196, 40955), (11495, 32764), (16382, 22990)]