71145310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 142663680

約数和(自身を除く): 71518370

約数列:

[1, 2, 5, 10, 19, 31, 38, 47, 62, 94, 95, 155, 190, 235, 257, 310, 470, 514, 589, 893, 1178, 1285, 1457, 1786, 2570, 2914, 2945, 4465, 4883, 5890, 7285, 7967, 8930, 9766, 12079, 14570, 15934, 24158, 24415, 27683, 39835, 48830, 55366, 60395, 79670, 120790, 138415, 151373, 229501, 276830, 302746, 374449, 459002, 748898, 756865, 1147505, 1513730, 1872245, 2295010, 3744490, 7114531, 14229062, 35572655, 71145310]

約数ペア:

[(1, 71145310), (2, 35572655), (5, 14229062), (10, 7114531), (19, 3744490), (31, 2295010), (38, 1872245), (47, 1513730), (62, 1147505), (94, 756865), (95, 748898), (155, 459002), (190, 374449), (235, 302746), (257, 276830), (310, 229501), (470, 151373), (514, 138415), (589, 120790), (893, 79670), (1178, 60395), (1285, 55366), (1457, 48830), (1786, 39835), (2570, 27683), (2914, 24415), (2945, 24158), (4465, 15934), (4883, 14570), (5890, 12079), (7285, 9766), (7967, 8930)]