8415100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 19859840

約数和(自身を除く): 11444740

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 103, 172, 190, 206, 215, 380, 412, 430, 475, 515, 817, 860, 950, 1030, 1075, 1634, 1900, 1957, 2060, 2150, 2575, 3268, 3914, 4085, 4300, 4429, 5150, 7828, 8170, 8858, 9785, 10300, 16340, 17716, 19570, 20425, 22145, 39140, 40850, 44290, 48925, 81700, 84151, 88580, 97850, 110725, 168302, 195700, 221450, 336604, 420755, 442900, 841510, 1683020, 2103775, 4207550, 8415100]

約数ペア:

[(1, 8415100), (2, 4207550), (4, 2103775), (5, 1683020), (10, 841510), (19, 442900), (20, 420755), (25, 336604), (38, 221450), (43, 195700), (50, 168302), (76, 110725), (86, 97850), (95, 88580), (100, 84151), (103, 81700), (172, 48925), (190, 44290), (206, 40850), (215, 39140), (380, 22145), (412, 20425), (430, 19570), (475, 17716), (515, 16340), (817, 10300), (860, 9785), (950, 8858), (1030, 8170), (1075, 7828), (1634, 5150), (1900, 4429), (1957, 4300), (2060, 4085), (2150, 3914), (2575, 3268)]