8491100

素因数分解:

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

素因数の和:183

約数の個数: 72

約数和(自身を含む): 20050800

約数和(自身を除く): 11559700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 109, 164, 190, 205, 218, 380, 410, 436, 475, 545, 779, 820, 950, 1025, 1090, 1558, 1900, 2050, 2071, 2180, 2725, 3116, 3895, 4100, 4142, 4469, 5450, 7790, 8284, 8938, 10355, 10900, 15580, 17876, 19475, 20710, 22345, 38950, 41420, 44690, 51775, 77900, 84911, 89380, 103550, 111725, 169822, 207100, 223450, 339644, 424555, 446900, 849110, 1698220, 2122775, 4245550, 8491100]

約数ペア:

[(1, 8491100), (2, 4245550), (4, 2122775), (5, 1698220), (10, 849110), (19, 446900), (20, 424555), (25, 339644), (38, 223450), (41, 207100), (50, 169822), (76, 111725), (82, 103550), (95, 89380), (100, 84911), (109, 77900), (164, 51775), (190, 44690), (205, 41420), (218, 38950), (380, 22345), (410, 20710), (436, 19475), (475, 17876), (545, 15580), (779, 10900), (820, 10355), (950, 8938), (1025, 8284), (1090, 7790), (1558, 5450), (1900, 4469), (2050, 4142), (2071, 4100), (2180, 3895), (2725, 3116)]