71282474980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4447}}^1\times {\mathrm{10979}}^1$

素因数の和:15508

約数の個数: 48

約数和(自身を含む): 151791736320

約数和(自身を除く): 80509261340

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 4447, 8894, 10979, 17788, 21958, 22235, 43916, 44470, 54895, 88940, 109790, 219580, 324631, 649262, 801467, 1298524, 1602934, 1623155, 3205868, 3246310, 4007335, 6492620, 8014670, 16029340, 48823613, 97647226, 195294452, 244118065, 488236130, 976472260, 3564123749, 7128247498, 14256494996, 17820618745, 35641237490, 71282474980]

約数ペア:

[(1, 71282474980), (2, 35641237490), (4, 17820618745), (5, 14256494996), (10, 7128247498), (20, 3564123749), (73, 976472260), (146, 488236130), (292, 244118065), (365, 195294452), (730, 97647226), (1460, 48823613), (4447, 16029340), (8894, 8014670), (10979, 6492620), (17788, 4007335), (21958, 3246310), (22235, 3205868), (43916, 1623155), (44470, 1602934), (54895, 1298524), (88940, 801467), (109790, 649262), (219580, 324631)]