128284150

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 247127040

約数和(自身を除く): 118842890

約数列:

[1, 2, 5, 10, 25, 47, 50, 79, 94, 158, 235, 395, 470, 691, 790, 1175, 1382, 1975, 2350, 3455, 3713, 3950, 6910, 7426, 17275, 18565, 32477, 34550, 37130, 54589, 64954, 92825, 109178, 162385, 185650, 272945, 324770, 545890, 811925, 1364725, 1623850, 2565683, 2729450, 5131366, 12828415, 25656830, 64142075, 128284150]

約数ペア:

[(1, 128284150), (2, 64142075), (5, 25656830), (10, 12828415), (25, 5131366), (47, 2729450), (50, 2565683), (79, 1623850), (94, 1364725), (158, 811925), (235, 545890), (395, 324770), (470, 272945), (691, 185650), (790, 162385), (1175, 109178), (1382, 92825), (1975, 64954), (2350, 54589), (3455, 37130), (3713, 34550), (3950, 32477), (6910, 18565), (7426, 17275)]