28280360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 39457240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 293, 380, 508, 586, 635, 760, 1016, 1172, 1270, 1465, 2344, 2413, 2540, 2930, 4826, 5080, 5567, 5860, 9652, 11134, 11720, 12065, 19304, 22268, 24130, 27835, 37211, 44536, 48260, 55670, 74422, 96520, 111340, 148844, 186055, 222680, 297688, 372110, 707009, 744220, 1414018, 1488440, 2828036, 3535045, 5656072, 7070090, 14140180, 28280360]

約数ペア:

[(1, 28280360), (2, 14140180), (4, 7070090), (5, 5656072), (8, 3535045), (10, 2828036), (19, 1488440), (20, 1414018), (38, 744220), (40, 707009), (76, 372110), (95, 297688), (127, 222680), (152, 186055), (190, 148844), (254, 111340), (293, 96520), (380, 74422), (508, 55670), (586, 48260), (635, 44536), (760, 37211), (1016, 27835), (1172, 24130), (1270, 22268), (1465, 19304), (2344, 12065), (2413, 11720), (2540, 11134), (2930, 9652), (4826, 5860), (5080, 5567)]