918998220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{4493}}^1$

素因数の和:4999

約数の個数: 96

約数和(自身を含む): 2947488768

約数和(自身を除く): 2028490548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 487, 974, 1461, 1948, 2435, 2922, 3409, 4493, 4870, 5844, 6818, 7305, 8986, 9740, 10227, 13479, 13636, 14610, 17045, 17972, 20454, 22465, 26958, 29220, 31451, 34090, 40908, 44930, 51135, 53916, 62902, 67395, 68180, 89860, 94353, 102270, 125804, 134790, 157255, 188706, 204540, 269580, 314510, 377412, 471765, 629020, 943530, 1887060, 2188091, 4376182, 6564273, 8752364, 10940455, 13128546, 15316637, 21880910, 26257092, 30633274, 32821365, 43761820, 45949911, 61266548, 65642730, 76583185, 91899822, 131285460, 153166370, 183799644, 229749555, 306332740, 459499110, 918998220]

約数ペア:

[(1, 918998220), (2, 459499110), (3, 306332740), (4, 229749555), (5, 183799644), (6, 153166370), (7, 131285460), (10, 91899822), (12, 76583185), (14, 65642730), (15, 61266548), (20, 45949911), (21, 43761820), (28, 32821365), (30, 30633274), (35, 26257092), (42, 21880910), (60, 15316637), (70, 13128546), (84, 10940455), (105, 8752364), (140, 6564273), (210, 4376182), (420, 2188091), (487, 1887060), (974, 943530), (1461, 629020), (1948, 471765), (2435, 377412), (2922, 314510), (3409, 269580), (4493, 204540), (4870, 188706), (5844, 157255), (6818, 134790), (7305, 125804), (8986, 102270), (9740, 94353), (10227, 89860), (13479, 68180), (13636, 67395), (14610, 62902), (17045, 53916), (17972, 51135), (20454, 44930), (22465, 40908), (26958, 34090), (29220, 31451)]