4850020

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{101}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 11999484

約数和(自身を除く): 7149464

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, 2401, 2828, 3430, 3535, 4802, 4949, 6860, 7070, 9604, 9898, 12005, 14140, 19796, 24010, 24745, 34643, 48020, 49490, 69286, 98980, 138572, 173215, 242501, 346430, 485002, 692860, 970004, 1212505, 2425010, 4850020]

約数ペア:

[(1, 4850020), (2, 2425010), (4, 1212505), (5, 970004), (7, 692860), (10, 485002), (14, 346430), (20, 242501), (28, 173215), (35, 138572), (49, 98980), (70, 69286), (98, 49490), (101, 48020), (140, 34643), (196, 24745), (202, 24010), (245, 19796), (343, 14140), (404, 12005), (490, 9898), (505, 9604), (686, 7070), (707, 6860), (980, 4949), (1010, 4802), (1372, 3535), (1414, 3430), (1715, 2828), (2020, 2401)]