69978860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{101}}^2$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 173090400

約数和(自身を除く): 103111540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 343, 404, 490, 505, 686, 707, 980, 1010, 1372, 1414, 1715, 2020, 2828, 3430, 3535, 4949, 6860, 7070, 9898, 10201, 14140, 19796, 20402, 24745, 34643, 40804, 49490, 51005, 69286, 71407, 98980, 102010, 138572, 142814, 173215, 204020, 285628, 346430, 357035, 499849, 692860, 714070, 999698, 1428140, 1999396, 2499245, 3498943, 4998490, 6997886, 9996980, 13995772, 17494715, 34989430, 69978860]

約数ペア:

[(1, 69978860), (2, 34989430), (4, 17494715), (5, 13995772), (7, 9996980), (10, 6997886), (14, 4998490), (20, 3498943), (28, 2499245), (35, 1999396), (49, 1428140), (70, 999698), (98, 714070), (101, 692860), (140, 499849), (196, 357035), (202, 346430), (245, 285628), (343, 204020), (404, 173215), (490, 142814), (505, 138572), (686, 102010), (707, 98980), (980, 71407), (1010, 69286), (1372, 51005), (1414, 49490), (1715, 40804), (2020, 34643), (2828, 24745), (3430, 20402), (3535, 19796), (4949, 14140), (6860, 10201), (7070, 9898)]