2017459900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{7639}}^1$

素因数の和:7811

約数の個数: 72

約数和(自身を含む): 4642064000

約数和(自身を除く): 2624604100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 139, 190, 278, 380, 475, 556, 695, 950, 1390, 1900, 2641, 2780, 3475, 5282, 6950, 7639, 10564, 13205, 13900, 15278, 26410, 30556, 38195, 52820, 66025, 76390, 132050, 145141, 152780, 190975, 264100, 290282, 381950, 580564, 725705, 763900, 1061821, 1451410, 2123642, 2902820, 3628525, 4247284, 5309105, 7257050, 10618210, 14514100, 20174599, 21236420, 26545525, 40349198, 53091050, 80698396, 100872995, 106182100, 201745990, 403491980, 504364975, 1008729950, 2017459900]

約数ペア:

[(1, 2017459900), (2, 1008729950), (4, 504364975), (5, 403491980), (10, 201745990), (19, 106182100), (20, 100872995), (25, 80698396), (38, 53091050), (50, 40349198), (76, 26545525), (95, 21236420), (100, 20174599), (139, 14514100), (190, 10618210), (278, 7257050), (380, 5309105), (475, 4247284), (556, 3628525), (695, 2902820), (950, 2123642), (1390, 1451410), (1900, 1061821), (2641, 763900), (2780, 725705), (3475, 580564), (5282, 381950), (6950, 290282), (7639, 264100), (10564, 190975), (13205, 152780), (13900, 145141), (15278, 132050), (26410, 76390), (30556, 66025), (38195, 52820)]