2009090625

素因数分解:

$3^1\times 5^5\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 3475277568

約数和(自身を除く): 1466186943

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 223, 375, 465, 625, 669, 775, 961, 1115, 1875, 2325, 2883, 3125, 3345, 3875, 4805, 5575, 6913, 9375, 11625, 14415, 16725, 19375, 20739, 24025, 27875, 34565, 58125, 72075, 83625, 96875, 103695, 120125, 139375, 172825, 214303, 290625, 360375, 418125, 518475, 600625, 642909, 696875, 864125, 1071515, 1801875, 2090625, 2592375, 3003125, 3214545, 4320625, 5357575, 9009375, 12961875, 16072725, 21603125, 26787875, 64809375, 80363625, 133939375, 401818125, 669696875, 2009090625]

約数ペア:

[(1, 2009090625), (3, 669696875), (5, 401818125), (15, 133939375), (25, 80363625), (31, 64809375), (75, 26787875), (93, 21603125), (125, 16072725), (155, 12961875), (223, 9009375), (375, 5357575), (465, 4320625), (625, 3214545), (669, 3003125), (775, 2592375), (961, 2090625), (1115, 1801875), (1875, 1071515), (2325, 864125), (2883, 696875), (3125, 642909), (3345, 600625), (3875, 518475), (4805, 418125), (5575, 360375), (6913, 290625), (9375, 214303), (11625, 172825), (14415, 139375), (16725, 120125), (19375, 103695), (20739, 96875), (24025, 83625), (27875, 72075), (34565, 58125)]