27854950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 55242000

約数和(自身を除く): 27387050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 269, 475, 538, 545, 950, 1090, 1345, 2071, 2690, 2725, 4142, 5111, 5450, 6725, 10222, 10355, 13450, 20710, 25555, 29321, 51110, 51775, 58642, 103550, 127775, 146605, 255550, 293210, 557099, 733025, 1114198, 1466050, 2785495, 5570990, 13927475, 27854950]

約数ペア:

[(1, 27854950), (2, 13927475), (5, 5570990), (10, 2785495), (19, 1466050), (25, 1114198), (38, 733025), (50, 557099), (95, 293210), (109, 255550), (190, 146605), (218, 127775), (269, 103550), (475, 58642), (538, 51775), (545, 51110), (950, 29321), (1090, 25555), (1345, 20710), (2071, 13450), (2690, 10355), (2725, 10222), (4142, 6725), (5111, 5450)]