68668850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 141010320

約数和(自身を除く): 72341470

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 43, 50, 82, 86, 95, 190, 205, 215, 410, 430, 475, 779, 817, 950, 1025, 1075, 1558, 1634, 1681, 1763, 2050, 2150, 3362, 3526, 3895, 4085, 7790, 8170, 8405, 8815, 16810, 17630, 19475, 20425, 31939, 33497, 38950, 40850, 42025, 44075, 63878, 66994, 72283, 84050, 88150, 144566, 159695, 167485, 319390, 334970, 361415, 722830, 798475, 837425, 1373377, 1596950, 1674850, 1807075, 2746754, 3614150, 6866885, 13733770, 34334425, 68668850]

約数ペア:

[(1, 68668850), (2, 34334425), (5, 13733770), (10, 6866885), (19, 3614150), (25, 2746754), (38, 1807075), (41, 1674850), (43, 1596950), (50, 1373377), (82, 837425), (86, 798475), (95, 722830), (190, 361415), (205, 334970), (215, 319390), (410, 167485), (430, 159695), (475, 144566), (779, 88150), (817, 84050), (950, 72283), (1025, 66994), (1075, 63878), (1558, 44075), (1634, 42025), (1681, 40850), (1763, 38950), (2050, 33497), (2150, 31939), (3362, 20425), (3526, 19475), (3895, 17630), (4085, 16810), (7790, 8815), (8170, 8405)]