489156780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1164659}}^1$

素因数の和:1164678

約数の個数: 48

約数和(自身を含む): 1565303040

約数和(自身を除く): 1076146260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1164659, 2329318, 3493977, 4658636, 5823295, 6987954, 8152613, 11646590, 13975908, 16305226, 17469885, 23293180, 24457839, 32610452, 34939770, 40763065, 48915678, 69879540, 81526130, 97831356, 122289195, 163052260, 244578390, 489156780]

約数ペア:

[(1, 489156780), (2, 244578390), (3, 163052260), (4, 122289195), (5, 97831356), (6, 81526130), (7, 69879540), (10, 48915678), (12, 40763065), (14, 34939770), (15, 32610452), (20, 24457839), (21, 23293180), (28, 17469885), (30, 16305226), (35, 13975908), (42, 11646590), (60, 8152613), (70, 6987954), (84, 5823295), (105, 4658636), (140, 3493977), (210, 2329318), (420, 1164659)]