313612040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4133}}^1$

素因数の和:4422

約数の個数: 64

約数和(自身を含む): 809602560

約数和(自身を除く): 495990520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1355, 1897, 2168, 2710, 3794, 4133, 5420, 7588, 8266, 9485, 10840, 15176, 16532, 18970, 20665, 28931, 33064, 37940, 41330, 57862, 75880, 82660, 115724, 144655, 165320, 231448, 289310, 578620, 1120043, 1157240, 2240086, 4480172, 5600215, 7840301, 8960344, 11200430, 15680602, 22400860, 31361204, 39201505, 44801720, 62722408, 78403010, 156806020, 313612040]

約数ペア:

[(1, 313612040), (2, 156806020), (4, 78403010), (5, 62722408), (7, 44801720), (8, 39201505), (10, 31361204), (14, 22400860), (20, 15680602), (28, 11200430), (35, 8960344), (40, 7840301), (56, 5600215), (70, 4480172), (140, 2240086), (271, 1157240), (280, 1120043), (542, 578620), (1084, 289310), (1355, 231448), (1897, 165320), (2168, 144655), (2710, 115724), (3794, 82660), (4133, 75880), (5420, 57862), (7588, 41330), (8266, 37940), (9485, 33064), (10840, 28931), (15176, 20665), (16532, 18970)]