245100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 763840

約数和(自身を除く): 518740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 43, 50, 57, 60, 75, 76, 86, 95, 100, 114, 129, 150, 172, 190, 215, 228, 258, 285, 300, 380, 430, 475, 516, 570, 645, 817, 860, 950, 1075, 1140, 1290, 1425, 1634, 1900, 2150, 2451, 2580, 2850, 3225, 3268, 4085, 4300, 4902, 5700, 6450, 8170, 9804, 12255, 12900, 16340, 20425, 24510, 40850, 49020, 61275, 81700, 122550, 245100]

約数ペア:

[(1, 245100), (2, 122550), (3, 81700), (4, 61275), (5, 49020), (6, 40850), (10, 24510), (12, 20425), (15, 16340), (19, 12900), (20, 12255), (25, 9804), (30, 8170), (38, 6450), (43, 5700), (50, 4902), (57, 4300), (60, 4085), (75, 3268), (76, 3225), (86, 2850), (95, 2580), (100, 2451), (114, 2150), (129, 1900), (150, 1634), (172, 1425), (190, 1290), (215, 1140), (228, 1075), (258, 950), (285, 860), (300, 817), (380, 645), (430, 570), (475, 516)]