201880020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 589276800

約数和(自身を除く): 387396780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 157, 174, 290, 314, 348, 435, 471, 580, 628, 739, 785, 870, 942, 1478, 1570, 1740, 1884, 2217, 2355, 2956, 3140, 3695, 4434, 4553, 4710, 7390, 8868, 9106, 9420, 11085, 13659, 14780, 18212, 21431, 22170, 22765, 27318, 42862, 44340, 45530, 54636, 64293, 68295, 85724, 91060, 107155, 116023, 128586, 136590, 214310, 232046, 257172, 273180, 321465, 348069, 428620, 464092, 580115, 642930, 696138, 1160230, 1285860, 1392276, 1740345, 2320460, 3364667, 3480690, 6729334, 6961380, 10094001, 13458668, 16823335, 20188002, 33646670, 40376004, 50470005, 67293340, 100940010, 201880020]

約数ペア:

[(1, 201880020), (2, 100940010), (3, 67293340), (4, 50470005), (5, 40376004), (6, 33646670), (10, 20188002), (12, 16823335), (15, 13458668), (20, 10094001), (29, 6961380), (30, 6729334), (58, 3480690), (60, 3364667), (87, 2320460), (116, 1740345), (145, 1392276), (157, 1285860), (174, 1160230), (290, 696138), (314, 642930), (348, 580115), (435, 464092), (471, 428620), (580, 348069), (628, 321465), (739, 273180), (785, 257172), (870, 232046), (942, 214310), (1478, 136590), (1570, 128586), (1740, 116023), (1884, 107155), (2217, 91060), (2355, 85724), (2956, 68295), (3140, 64293), (3695, 54636), (4434, 45530), (4553, 44340), (4710, 42862), (7390, 27318), (8868, 22765), (9106, 22170), (9420, 21431), (11085, 18212), (13659, 14780)]