2468620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 6607440

約数和(自身を除く): 4138820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 229, 245, 308, 385, 458, 490, 539, 770, 916, 980, 1078, 1145, 1540, 1603, 2156, 2290, 2519, 2695, 3206, 4580, 5038, 5390, 6412, 8015, 10076, 10780, 11221, 12595, 16030, 17633, 22442, 25190, 32060, 35266, 44884, 50380, 56105, 70532, 88165, 112210, 123431, 176330, 224420, 246862, 352660, 493724, 617155, 1234310, 2468620]

約数ペア:

[(1, 2468620), (2, 1234310), (4, 617155), (5, 493724), (7, 352660), (10, 246862), (11, 224420), (14, 176330), (20, 123431), (22, 112210), (28, 88165), (35, 70532), (44, 56105), (49, 50380), (55, 44884), (70, 35266), (77, 32060), (98, 25190), (110, 22442), (140, 17633), (154, 16030), (196, 12595), (220, 11221), (229, 10780), (245, 10076), (308, 8015), (385, 6412), (458, 5390), (490, 5038), (539, 4580), (770, 3206), (916, 2695), (980, 2519), (1078, 2290), (1145, 2156), (1540, 1603)]