72638860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2459}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 175230720

約数和(自身を除く): 102591860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2459, 2954, 4220, 4918, 5908, 7385, 9836, 12295, 14770, 17213, 24590, 29540, 34426, 49180, 68852, 86065, 172130, 344260, 518849, 1037698, 2075396, 2594245, 3631943, 5188490, 7263886, 10376980, 14527772, 18159715, 36319430, 72638860]

約数ペア:

[(1, 72638860), (2, 36319430), (4, 18159715), (5, 14527772), (7, 10376980), (10, 7263886), (14, 5188490), (20, 3631943), (28, 2594245), (35, 2075396), (70, 1037698), (140, 518849), (211, 344260), (422, 172130), (844, 86065), (1055, 68852), (1477, 49180), (2110, 34426), (2459, 29540), (2954, 24590), (4220, 17213), (4918, 14770), (5908, 12295), (7385, 9836)]