90258170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{347}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 176268960

約数和(自身を除く): 86010790

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 347, 370, 694, 703, 1369, 1406, 1735, 2738, 3470, 3515, 6593, 6845, 7030, 12839, 13186, 13690, 25678, 26011, 32965, 52022, 64195, 65930, 128390, 130055, 243941, 260110, 475043, 487882, 950086, 1219705, 2375215, 2439410, 4750430, 9025817, 18051634, 45129085, 90258170]

約数ペア:

[(1, 90258170), (2, 45129085), (5, 18051634), (10, 9025817), (19, 4750430), (37, 2439410), (38, 2375215), (74, 1219705), (95, 950086), (185, 487882), (190, 475043), (347, 260110), (370, 243941), (694, 130055), (703, 128390), (1369, 65930), (1406, 64195), (1735, 52022), (2738, 32965), (3470, 26011), (3515, 25678), (6593, 13690), (6845, 13186), (7030, 12839)]