4997979640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{9949}}^1$

素因数の和:10640

約数の個数: 64

約数和(自身を含む): 11856420000

約数和(自身を除く): 6858440360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 661, 760, 1322, 2644, 3305, 5288, 6610, 9949, 12559, 13220, 19898, 25118, 26440, 39796, 49745, 50236, 62795, 79592, 99490, 100472, 125590, 189031, 198980, 251180, 378062, 397960, 502360, 756124, 945155, 1512248, 1890310, 3780620, 6576289, 7561240, 13152578, 26305156, 32881445, 52610312, 65762890, 124949491, 131525780, 249898982, 263051560, 499797964, 624747455, 999595928, 1249494910, 2498989820, 4997979640]

約数ペア:

[(1, 4997979640), (2, 2498989820), (4, 1249494910), (5, 999595928), (8, 624747455), (10, 499797964), (19, 263051560), (20, 249898982), (38, 131525780), (40, 124949491), (76, 65762890), (95, 52610312), (152, 32881445), (190, 26305156), (380, 13152578), (661, 7561240), (760, 6576289), (1322, 3780620), (2644, 1890310), (3305, 1512248), (5288, 945155), (6610, 756124), (9949, 502360), (12559, 397960), (13220, 378062), (19898, 251180), (25118, 198980), (26440, 189031), (39796, 125590), (49745, 100472), (50236, 99490), (62795, 79592)]