74787590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4943}}^1$

素因数の和:5056

約数の個数: 32

約数和(自身を含む): 144167040

約数和(自身を除く): 69379450

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 4943, 7565, 9886, 15130, 24715, 49430, 84031, 168062, 420155, 439927, 840310, 879854, 2199635, 4399270, 7478759, 14957518, 37393795, 74787590]

約数ペア:

[(1, 74787590), (2, 37393795), (5, 14957518), (10, 7478759), (17, 4399270), (34, 2199635), (85, 879854), (89, 840310), (170, 439927), (178, 420155), (445, 168062), (890, 84031), (1513, 49430), (3026, 24715), (4943, 15130), (7565, 9886)]