248803480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1217}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 591948000

約数和(自身を除く): 343144520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 380, 538, 760, 1076, 1217, 1345, 2152, 2434, 2690, 4868, 5111, 5380, 6085, 9736, 10222, 10760, 12170, 20444, 23123, 24340, 25555, 40888, 46246, 48680, 51110, 92492, 102220, 115615, 184984, 204440, 231230, 327373, 462460, 654746, 924920, 1309492, 1636865, 2618984, 3273730, 6220087, 6547460, 12440174, 13094920, 24880348, 31100435, 49760696, 62200870, 124401740, 248803480]

約数ペア:

[(1, 248803480), (2, 124401740), (4, 62200870), (5, 49760696), (8, 31100435), (10, 24880348), (19, 13094920), (20, 12440174), (38, 6547460), (40, 6220087), (76, 3273730), (95, 2618984), (152, 1636865), (190, 1309492), (269, 924920), (380, 654746), (538, 462460), (760, 327373), (1076, 231230), (1217, 204440), (1345, 184984), (2152, 115615), (2434, 102220), (2690, 92492), (4868, 51110), (5111, 48680), (5380, 46246), (6085, 40888), (9736, 25555), (10222, 24340), (10760, 23123), (12170, 20444)]