252280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 64

約数和(自身を含む): 699840

約数和(自身を除く): 447560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 85, 106, 119, 136, 140, 170, 212, 238, 265, 280, 340, 371, 424, 476, 530, 595, 680, 742, 901, 952, 1060, 1190, 1484, 1802, 1855, 2120, 2380, 2968, 3604, 3710, 4505, 4760, 6307, 7208, 7420, 9010, 12614, 14840, 18020, 25228, 31535, 36040, 50456, 63070, 126140, 252280]

約数ペア:

[(1, 252280), (2, 126140), (4, 63070), (5, 50456), (7, 36040), (8, 31535), (10, 25228), (14, 18020), (17, 14840), (20, 12614), (28, 9010), (34, 7420), (35, 7208), (40, 6307), (53, 4760), (56, 4505), (68, 3710), (70, 3604), (85, 2968), (106, 2380), (119, 2120), (136, 1855), (140, 1802), (170, 1484), (212, 1190), (238, 1060), (265, 952), (280, 901), (340, 742), (371, 680), (424, 595), (476, 530)]