66486700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4999}}^1$

素因数の和:5039

約数の個数: 72

約数和(自身を含む): 173600000

約数和(自身を除く): 107113300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 4999, 6650, 9998, 13300, 19996, 24995, 34993, 49990, 69986, 94981, 99980, 124975, 139972, 174965, 189962, 249950, 349930, 379924, 474905, 499900, 664867, 699860, 874825, 949810, 1329734, 1749650, 1899620, 2374525, 2659468, 3324335, 3499300, 4749050, 6648670, 9498100, 13297340, 16621675, 33243350, 66486700]

約数ペア:

[(1, 66486700), (2, 33243350), (4, 16621675), (5, 13297340), (7, 9498100), (10, 6648670), (14, 4749050), (19, 3499300), (20, 3324335), (25, 2659468), (28, 2374525), (35, 1899620), (38, 1749650), (50, 1329734), (70, 949810), (76, 874825), (95, 699860), (100, 664867), (133, 499900), (140, 474905), (175, 379924), (190, 349930), (266, 249950), (350, 189962), (380, 174965), (475, 139972), (532, 124975), (665, 99980), (700, 94981), (950, 69986), (1330, 49990), (1900, 34993), (2660, 24995), (3325, 19996), (4999, 13300), (6650, 9998)]