206875720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3851}}^1$

素因数の和:3958

約数の個数: 64

約数和(自身を含む): 499219200

約数和(自身を除く): 292343480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1580, 2686, 3160, 3851, 5372, 6715, 7702, 10744, 13430, 15404, 19255, 26860, 30808, 38510, 53720, 65467, 77020, 130934, 154040, 261868, 304229, 327335, 523736, 608458, 654670, 1216916, 1309340, 1521145, 2433832, 2618680, 3042290, 5171893, 6084580, 10343786, 12169160, 20687572, 25859465, 41375144, 51718930, 103437860, 206875720]

約数ペア:

[(1, 206875720), (2, 103437860), (4, 51718930), (5, 41375144), (8, 25859465), (10, 20687572), (17, 12169160), (20, 10343786), (34, 6084580), (40, 5171893), (68, 3042290), (79, 2618680), (85, 2433832), (136, 1521145), (158, 1309340), (170, 1216916), (316, 654670), (340, 608458), (395, 523736), (632, 327335), (680, 304229), (790, 261868), (1343, 154040), (1580, 130934), (2686, 77020), (3160, 65467), (3851, 53720), (5372, 38510), (6715, 30808), (7702, 26860), (10744, 19255), (13430, 15404)]