1789449100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1811}}^1$

素因数の和:2107

約数の個数: 72

約数和(自身を含む): 3996525456

約数和(自身を除く): 2207076356

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 241, 410, 482, 820, 964, 1025, 1205, 1811, 2050, 2410, 3622, 4100, 4820, 6025, 7244, 9055, 9881, 12050, 18110, 19762, 24100, 36220, 39524, 45275, 49405, 74251, 90550, 98810, 148502, 181100, 197620, 247025, 297004, 371255, 436451, 494050, 742510, 872902, 988100, 1485020, 1745804, 1856275, 2182255, 3712550, 4364510, 7425100, 8729020, 10911275, 17894491, 21822550, 35788982, 43645100, 71577964, 89472455, 178944910, 357889820, 447362275, 894724550, 1789449100]

約数ペア:

[(1, 1789449100), (2, 894724550), (4, 447362275), (5, 357889820), (10, 178944910), (20, 89472455), (25, 71577964), (41, 43645100), (50, 35788982), (82, 21822550), (100, 17894491), (164, 10911275), (205, 8729020), (241, 7425100), (410, 4364510), (482, 3712550), (820, 2182255), (964, 1856275), (1025, 1745804), (1205, 1485020), (1811, 988100), (2050, 872902), (2410, 742510), (3622, 494050), (4100, 436451), (4820, 371255), (6025, 297004), (7244, 247025), (9055, 197620), (9881, 181100), (12050, 148502), (18110, 98810), (19762, 90550), (24100, 74251), (36220, 49405), (39524, 45275)]