2545060

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 60

約数和(自身を含む): 6352668

約数和(自身を除く): 3807608

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 343, 371, 490, 530, 686, 742, 980, 1060, 1372, 1484, 1715, 1855, 2401, 2597, 3430, 3710, 4802, 5194, 6860, 7420, 9604, 10388, 12005, 12985, 18179, 24010, 25970, 36358, 48020, 51940, 72716, 90895, 127253, 181790, 254506, 363580, 509012, 636265, 1272530, 2545060]

約数ペア:

[(1, 2545060), (2, 1272530), (4, 636265), (5, 509012), (7, 363580), (10, 254506), (14, 181790), (20, 127253), (28, 90895), (35, 72716), (49, 51940), (53, 48020), (70, 36358), (98, 25970), (106, 24010), (140, 18179), (196, 12985), (212, 12005), (245, 10388), (265, 9604), (343, 7420), (371, 6860), (490, 5194), (530, 4802), (686, 3710), (742, 3430), (980, 2597), (1060, 2401), (1372, 1855), (1484, 1715)]