2019241875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6689}}^1$

素因数の和:6742

約数の個数: 80

約数和(自身を含む): 4012715520

約数和(自身を除く): 1993473645

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 125, 161, 175, 345, 375, 483, 525, 575, 625, 805, 875, 1725, 1875, 2415, 2625, 2875, 4025, 4375, 6689, 8625, 12075, 13125, 14375, 20067, 20125, 33445, 43125, 46823, 60375, 100335, 100625, 140469, 153847, 167225, 234115, 301875, 461541, 501675, 702345, 769235, 836125, 1076929, 1170575, 2307705, 2508375, 3230787, 3511725, 3846175, 4180625, 5384645, 5852875, 11538525, 12541875, 16153935, 17558625, 19230875, 26923225, 29264375, 57692625, 80769675, 87793125, 96154375, 134616125, 288463125, 403848375, 673080625, 2019241875]

約数ペア:

[(1, 2019241875), (3, 673080625), (5, 403848375), (7, 288463125), (15, 134616125), (21, 96154375), (23, 87793125), (25, 80769675), (35, 57692625), (69, 29264375), (75, 26923225), (105, 19230875), (115, 17558625), (125, 16153935), (161, 12541875), (175, 11538525), (345, 5852875), (375, 5384645), (483, 4180625), (525, 3846175), (575, 3511725), (625, 3230787), (805, 2508375), (875, 2307705), (1725, 1170575), (1875, 1076929), (2415, 836125), (2625, 769235), (2875, 702345), (4025, 501675), (4375, 461541), (6689, 301875), (8625, 234115), (12075, 167225), (13125, 153847), (14375, 140469), (20067, 100625), (20125, 100335), (33445, 60375), (43125, 46823)]