31107230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 70917120

約数和(自身を除く): 39809890

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 569, 710, 770, 781, 994, 1138, 1562, 2485, 2845, 3905, 3983, 4970, 5467, 5690, 6259, 7810, 7966, 10934, 12518, 19915, 27335, 31295, 39830, 40399, 43813, 54670, 62590, 80798, 87626, 201995, 219065, 282793, 403990, 438130, 444389, 565586, 888778, 1413965, 2221945, 2827930, 3110723, 4443890, 6221446, 15553615, 31107230]

約数ペア:

[(1, 31107230), (2, 15553615), (5, 6221446), (7, 4443890), (10, 3110723), (11, 2827930), (14, 2221945), (22, 1413965), (35, 888778), (55, 565586), (70, 444389), (71, 438130), (77, 403990), (110, 282793), (142, 219065), (154, 201995), (355, 87626), (385, 80798), (497, 62590), (569, 54670), (710, 43813), (770, 40399), (781, 39830), (994, 31295), (1138, 27335), (1562, 19915), (2485, 12518), (2845, 10934), (3905, 7966), (3983, 7810), (4970, 6259), (5467, 5690)]