203464280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{1367}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 465762960

約数和(自身を除く): 262298680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1367, 2440, 2734, 3721, 5468, 6835, 7442, 10936, 13670, 14884, 18605, 27340, 29768, 37210, 54680, 74420, 83387, 148840, 166774, 333548, 416935, 667096, 833870, 1667740, 3335480, 5086607, 10173214, 20346428, 25433035, 40692856, 50866070, 101732140, 203464280]

約数ペア:

[(1, 203464280), (2, 101732140), (4, 50866070), (5, 40692856), (8, 25433035), (10, 20346428), (20, 10173214), (40, 5086607), (61, 3335480), (122, 1667740), (244, 833870), (305, 667096), (488, 416935), (610, 333548), (1220, 166774), (1367, 148840), (2440, 83387), (2734, 74420), (3721, 54680), (5468, 37210), (6835, 29768), (7442, 27340), (10936, 18605), (13670, 14884)]