17815420

素因数分解:

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

素因数の和:97

約数の個数: 72

約数和(自身を含む): 44470944

約数和(自身を除く): 26655524

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, 16807, 18179, 24010, 25970, 33614, 36358, 48020, 51940, 67228, 72716, 84035, 90895, 127253, 168070, 181790, 254506, 336140, 363580, 509012, 636265, 890771, 1272530, 1781542, 2545060, 3563084, 4453855, 8907710, 17815420]

約数ペア:

[(1, 17815420), (2, 8907710), (4, 4453855), (5, 3563084), (7, 2545060), (10, 1781542), (14, 1272530), (20, 890771), (28, 636265), (35, 509012), (49, 363580), (53, 336140), (70, 254506), (98, 181790), (106, 168070), (140, 127253), (196, 90895), (212, 84035), (245, 72716), (265, 67228), (343, 51940), (371, 48020), (490, 36358), (530, 33614), (686, 25970), (742, 24010), (980, 18179), (1060, 16807), (1372, 12985), (1484, 12005), (1715, 10388), (1855, 9604), (2401, 7420), (2597, 6860), (3430, 5194), (3710, 4802)]