128830900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{117119}}^1$

素因数の和:117144

約数の個数: 36

約数和(自身を含む): 304980480

約数和(自身を除く): 176149580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 117119, 234238, 468476, 585595, 1171190, 1288309, 2342380, 2576618, 2927975, 5153236, 5855950, 6441545, 11711900, 12883090, 25766180, 32207725, 64415450, 128830900]

約数ペア:

[(1, 128830900), (2, 64415450), (4, 32207725), (5, 25766180), (10, 12883090), (11, 11711900), (20, 6441545), (22, 5855950), (25, 5153236), (44, 2927975), (50, 2576618), (55, 2342380), (100, 1288309), (110, 1171190), (220, 585595), (275, 468476), (550, 234238), (1100, 117119)]