49109720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 121305600

約数和(自身を除く): 72195880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 467, 478, 934, 956, 1195, 1868, 1912, 2335, 2390, 2629, 3736, 4670, 4780, 5137, 5258, 9340, 9560, 10274, 10516, 13145, 18680, 20548, 21032, 25685, 26290, 41096, 51370, 52580, 102740, 105160, 111613, 205480, 223226, 446452, 558065, 892904, 1116130, 1227743, 2232260, 2455486, 4464520, 4910972, 6138715, 9821944, 12277430, 24554860, 49109720]

約数ペア:

[(1, 49109720), (2, 24554860), (4, 12277430), (5, 9821944), (8, 6138715), (10, 4910972), (11, 4464520), (20, 2455486), (22, 2232260), (40, 1227743), (44, 1116130), (55, 892904), (88, 558065), (110, 446452), (220, 223226), (239, 205480), (440, 111613), (467, 105160), (478, 102740), (934, 52580), (956, 51370), (1195, 41096), (1868, 26290), (1912, 25685), (2335, 21032), (2390, 20548), (2629, 18680), (3736, 13145), (4670, 10516), (4780, 10274), (5137, 9560), (5258, 9340)]