28888750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 60

約数和(自身を含む): 59830848

約数和(自身を除く): 30942098

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 191, 242, 250, 275, 382, 550, 605, 625, 955, 1210, 1250, 1375, 1910, 2101, 2750, 3025, 4202, 4775, 6050, 6875, 9550, 10505, 13750, 15125, 21010, 23111, 23875, 30250, 46222, 47750, 52525, 75625, 105050, 115555, 119375, 151250, 231110, 238750, 262625, 525250, 577775, 1155550, 1313125, 2626250, 2888875, 5777750, 14444375, 28888750]

約数ペア:

[(1, 28888750), (2, 14444375), (5, 5777750), (10, 2888875), (11, 2626250), (22, 1313125), (25, 1155550), (50, 577775), (55, 525250), (110, 262625), (121, 238750), (125, 231110), (191, 151250), (242, 119375), (250, 115555), (275, 105050), (382, 75625), (550, 52525), (605, 47750), (625, 46222), (955, 30250), (1210, 23875), (1250, 23111), (1375, 21010), (1910, 15125), (2101, 13750), (2750, 10505), (3025, 9550), (4202, 6875), (4775, 6050)]