220883960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{811}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 543715200

約数和(自身を除く): 322831240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 619, 811, 1238, 1622, 2476, 3095, 3244, 4055, 4952, 6190, 6488, 6809, 8110, 8921, 12380, 13618, 16220, 17842, 24760, 27236, 32440, 34045, 35684, 44605, 54472, 68090, 71368, 89210, 136180, 178420, 272360, 356840, 502009, 1004018, 2008036, 2510045, 4016072, 5020090, 5522099, 10040180, 11044198, 20080360, 22088396, 27610495, 44176792, 55220990, 110441980, 220883960]

約数ペア:

[(1, 220883960), (2, 110441980), (4, 55220990), (5, 44176792), (8, 27610495), (10, 22088396), (11, 20080360), (20, 11044198), (22, 10040180), (40, 5522099), (44, 5020090), (55, 4016072), (88, 2510045), (110, 2008036), (220, 1004018), (440, 502009), (619, 356840), (811, 272360), (1238, 178420), (1622, 136180), (2476, 89210), (3095, 71368), (3244, 68090), (4055, 54472), (4952, 44605), (6190, 35684), (6488, 34045), (6809, 32440), (8110, 27236), (8921, 24760), (12380, 17842), (13618, 16220)]