2431849480

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{1579}}^1$

素因数の和:2006

約数の個数: 64

約数和(自身を含む): 5534424000

約数和(自身を除く): 3102574520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 277, 278, 554, 556, 695, 1108, 1112, 1385, 1390, 1579, 2216, 2770, 2780, 3158, 5540, 5560, 6316, 7895, 11080, 12632, 15790, 31580, 38503, 63160, 77006, 154012, 192515, 219481, 308024, 385030, 437383, 438962, 770060, 874766, 877924, 1097405, 1540120, 1749532, 1755848, 2186915, 2194810, 3499064, 4373830, 4389620, 8747660, 8779240, 17495320, 60796237, 121592474, 243184948, 303981185, 486369896, 607962370, 1215924740, 2431849480]

約数ペア:

[(1, 2431849480), (2, 1215924740), (4, 607962370), (5, 486369896), (8, 303981185), (10, 243184948), (20, 121592474), (40, 60796237), (139, 17495320), (277, 8779240), (278, 8747660), (554, 4389620), (556, 4373830), (695, 3499064), (1108, 2194810), (1112, 2186915), (1385, 1755848), (1390, 1749532), (1579, 1540120), (2216, 1097405), (2770, 877924), (2780, 874766), (3158, 770060), (5540, 438962), (5560, 437383), (6316, 385030), (7895, 308024), (11080, 219481), (12632, 192515), (15790, 154012), (31580, 77006), (38503, 63160)]