320739986

素因数分解:

$2^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{3929}}^1$

素因数の和:3976

約数の個数: 40

約数和(自身を含む): 594428220

約数和(自身を除く): 273688234

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1666, 2401, 3929, 4802, 5831, 7858, 11662, 27503, 40817, 55006, 66793, 81634, 133586, 192521, 385042, 467551, 935102, 1347647, 2695294, 3272857, 6545714, 9433529, 18867058, 22909999, 45819998, 160369993, 320739986]

約数ペア:

[(1, 320739986), (2, 160369993), (7, 45819998), (14, 22909999), (17, 18867058), (34, 9433529), (49, 6545714), (98, 3272857), (119, 2695294), (238, 1347647), (343, 935102), (686, 467551), (833, 385042), (1666, 192521), (2401, 133586), (3929, 81634), (4802, 66793), (5831, 55006), (7858, 40817), (11662, 27503)]