872440520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{42683}}^1$

素因数の和:42774

約数の個数: 64

約数和(自身を含む): 2274203520

約数和(自身を除く): 1401763000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 20440, 42683, 85366, 170732, 213415, 298781, 341464, 426830, 597562, 853660, 1195124, 1493905, 1707320, 2390248, 2987810, 3115859, 5975620, 6231718, 11951240, 12463436, 15579295, 21811013, 24926872, 31158590, 43622026, 62317180, 87244052, 109055065, 124634360, 174488104, 218110130, 436220260, 872440520]

約数ペア:

[(1, 872440520), (2, 436220260), (4, 218110130), (5, 174488104), (7, 124634360), (8, 109055065), (10, 87244052), (14, 62317180), (20, 43622026), (28, 31158590), (35, 24926872), (40, 21811013), (56, 15579295), (70, 12463436), (73, 11951240), (140, 6231718), (146, 5975620), (280, 3115859), (292, 2987810), (365, 2390248), (511, 1707320), (584, 1493905), (730, 1195124), (1022, 853660), (1460, 597562), (2044, 426830), (2555, 341464), (2920, 298781), (4088, 213415), (5110, 170732), (10220, 85366), (20440, 42683)]