28667240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2442

約数の個数: 64

約数和(自身を含む): 75461760

約数和(自身を除く): 46794520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2381, 2408, 3010, 4762, 6020, 9524, 11905, 12040, 16667, 19048, 23810, 33334, 47620, 66668, 83335, 95240, 102383, 133336, 166670, 204766, 333340, 409532, 511915, 666680, 716681, 819064, 1023830, 1433362, 2047660, 2866724, 3583405, 4095320, 5733448, 7166810, 14333620, 28667240]

約数ペア:

[(1, 28667240), (2, 14333620), (4, 7166810), (5, 5733448), (7, 4095320), (8, 3583405), (10, 2866724), (14, 2047660), (20, 1433362), (28, 1023830), (35, 819064), (40, 716681), (43, 666680), (56, 511915), (70, 409532), (86, 333340), (140, 204766), (172, 166670), (215, 133336), (280, 102383), (301, 95240), (344, 83335), (430, 66668), (602, 47620), (860, 33334), (1204, 23810), (1505, 19048), (1720, 16667), (2381, 12040), (2408, 11905), (3010, 9524), (4762, 6020)]