71391530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2823

約数の個数: 48

約数和(自身を含む): 152361000

約数和(自身を除く): 80969470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 1855, 2597, 2749, 3710, 5194, 5498, 12985, 13745, 19243, 25970, 27490, 38486, 96215, 134701, 145697, 192430, 269402, 291394, 673505, 728485, 1019879, 1347010, 1456970, 2039758, 5099395, 7139153, 10198790, 14278306, 35695765, 71391530]

約数ペア:

[(1, 71391530), (2, 35695765), (5, 14278306), (7, 10198790), (10, 7139153), (14, 5099395), (35, 2039758), (49, 1456970), (53, 1347010), (70, 1019879), (98, 728485), (106, 673505), (245, 291394), (265, 269402), (371, 192430), (490, 145697), (530, 134701), (742, 96215), (1855, 38486), (2597, 27490), (2749, 25970), (3710, 19243), (5194, 13745), (5498, 12985)]