210695960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{809}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 503884800

約数和(自身を除く): 293188840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 383, 680, 766, 809, 1532, 1618, 1915, 3064, 3236, 3830, 4045, 6472, 6511, 7660, 8090, 13022, 13753, 15320, 16180, 26044, 27506, 32360, 32555, 52088, 55012, 65110, 68765, 110024, 130220, 137530, 260440, 275060, 309847, 550120, 619694, 1239388, 1549235, 2478776, 3098470, 5267399, 6196940, 10534798, 12393880, 21069596, 26336995, 42139192, 52673990, 105347980, 210695960]

約数ペア:

[(1, 210695960), (2, 105347980), (4, 52673990), (5, 42139192), (8, 26336995), (10, 21069596), (17, 12393880), (20, 10534798), (34, 6196940), (40, 5267399), (68, 3098470), (85, 2478776), (136, 1549235), (170, 1239388), (340, 619694), (383, 550120), (680, 309847), (766, 275060), (809, 260440), (1532, 137530), (1618, 130220), (1915, 110024), (3064, 68765), (3236, 65110), (3830, 55012), (4045, 52088), (6472, 32555), (6511, 32360), (7660, 27506), (8090, 26044), (13022, 16180), (13753, 15320)]