78778210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 169413120

約数和(自身を除く): 90634910

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 151, 203, 257, 290, 302, 406, 514, 755, 1015, 1057, 1285, 1510, 1799, 2030, 2114, 2570, 3598, 4379, 5285, 7453, 8758, 8995, 10570, 14906, 17990, 21895, 30653, 37265, 38807, 43790, 52171, 61306, 74530, 77614, 104342, 153265, 194035, 260855, 271649, 306530, 388070, 521710, 543298, 1125403, 1358245, 2250806, 2716490, 5627015, 7877821, 11254030, 15755642, 39389105, 78778210]

約数ペア:

[(1, 78778210), (2, 39389105), (5, 15755642), (7, 11254030), (10, 7877821), (14, 5627015), (29, 2716490), (35, 2250806), (58, 1358245), (70, 1125403), (145, 543298), (151, 521710), (203, 388070), (257, 306530), (290, 271649), (302, 260855), (406, 194035), (514, 153265), (755, 104342), (1015, 77614), (1057, 74530), (1285, 61306), (1510, 52171), (1799, 43790), (2030, 38807), (2114, 37265), (2570, 30653), (3598, 21895), (4379, 17990), (5285, 14906), (7453, 10570), (8758, 8995)]