688687930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{138569}}^1$

素因数の和:138654

約数の個数: 32

約数和(自身を含む): 1436693760

約数和(自身を除く): 748005830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 138569, 277138, 692845, 969983, 1385690, 1939966, 4849915, 9699830, 9838399, 19676798, 49191995, 68868793, 98383990, 137737586, 344343965, 688687930]

約数ペア:

[(1, 688687930), (2, 344343965), (5, 137737586), (7, 98383990), (10, 68868793), (14, 49191995), (35, 19676798), (70, 9838399), (71, 9699830), (142, 4849915), (355, 1939966), (497, 1385690), (710, 969983), (994, 692845), (2485, 277138), (4970, 138569)]