142750020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19993}}^1$

素因数の和:20029

約数の個数: 96

約数和(自身を含む): 483694848

約数和(自身を除く): 340944828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 19993, 39986, 59979, 79972, 99965, 119958, 139951, 199930, 239916, 279902, 299895, 339881, 399860, 419853, 559804, 599790, 679762, 699755, 839706, 1019643, 1199580, 1359524, 1399510, 1679412, 1699405, 2039286, 2099265, 2379167, 2799020, 3398810, 4078572, 4198530, 4758334, 5098215, 6797620, 7137501, 8397060, 9516668, 10196430, 11895835, 14275002, 20392860, 23791670, 28550004, 35687505, 47583340, 71375010, 142750020]

約数ペア:

[(1, 142750020), (2, 71375010), (3, 47583340), (4, 35687505), (5, 28550004), (6, 23791670), (7, 20392860), (10, 14275002), (12, 11895835), (14, 10196430), (15, 9516668), (17, 8397060), (20, 7137501), (21, 6797620), (28, 5098215), (30, 4758334), (34, 4198530), (35, 4078572), (42, 3398810), (51, 2799020), (60, 2379167), (68, 2099265), (70, 2039286), (84, 1699405), (85, 1679412), (102, 1399510), (105, 1359524), (119, 1199580), (140, 1019643), (170, 839706), (204, 699755), (210, 679762), (238, 599790), (255, 559804), (340, 419853), (357, 399860), (420, 339881), (476, 299895), (510, 279902), (595, 239916), (714, 199930), (1020, 139951), (1190, 119958), (1428, 99965), (1785, 79972), (2380, 59979), (3570, 39986), (7140, 19993)]