4245550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 8593200

約数和(自身を除く): 4347650

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 109, 190, 205, 218, 410, 475, 545, 779, 950, 1025, 1090, 1558, 2050, 2071, 2725, 3895, 4142, 4469, 5450, 7790, 8938, 10355, 19475, 20710, 22345, 38950, 44690, 51775, 84911, 103550, 111725, 169822, 223450, 424555, 849110, 2122775, 4245550]

約数ペア:

[(1, 4245550), (2, 2122775), (5, 849110), (10, 424555), (19, 223450), (25, 169822), (38, 111725), (41, 103550), (50, 84911), (82, 51775), (95, 44690), (109, 38950), (190, 22345), (205, 20710), (218, 19475), (410, 10355), (475, 8938), (545, 7790), (779, 5450), (950, 4469), (1025, 4142), (1090, 3895), (1558, 2725), (2050, 2071)]