128314150

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1705

約数の個数: 48

約数和(自身を含む): 250970544

約数和(自身を除く): 122656394

約数列:

[1, 2, 5, 10, 25, 37, 43, 50, 74, 86, 185, 215, 370, 430, 925, 1075, 1591, 1613, 1850, 2150, 3182, 3226, 7955, 8065, 15910, 16130, 39775, 40325, 59681, 69359, 79550, 80650, 119362, 138718, 298405, 346795, 596810, 693590, 1492025, 1733975, 2566283, 2984050, 3467950, 5132566, 12831415, 25662830, 64157075, 128314150]

約数ペア:

[(1, 128314150), (2, 64157075), (5, 25662830), (10, 12831415), (25, 5132566), (37, 3467950), (43, 2984050), (50, 2566283), (74, 1733975), (86, 1492025), (185, 693590), (215, 596810), (370, 346795), (430, 298405), (925, 138718), (1075, 119362), (1591, 80650), (1613, 79550), (1850, 69359), (2150, 59681), (3182, 40325), (3226, 39775), (7955, 16130), (8065, 15910)]