71390060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 176428224

約数和(自身を除く): 105038164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 751, 970, 980, 1358, 1502, 1940, 2716, 3004, 3395, 3755, 4753, 5257, 6790, 7510, 9506, 10514, 13580, 15020, 19012, 21028, 23765, 26285, 36799, 47530, 52570, 72847, 73598, 95060, 105140, 145694, 147196, 183995, 291388, 364235, 367990, 509929, 728470, 735980, 1019858, 1456940, 2039716, 2549645, 3569503, 5099290, 7139006, 10198580, 14278012, 17847515, 35695030, 71390060]

約数ペア:

[(1, 71390060), (2, 35695030), (4, 17847515), (5, 14278012), (7, 10198580), (10, 7139006), (14, 5099290), (20, 3569503), (28, 2549645), (35, 2039716), (49, 1456940), (70, 1019858), (97, 735980), (98, 728470), (140, 509929), (194, 367990), (196, 364235), (245, 291388), (388, 183995), (485, 147196), (490, 145694), (679, 105140), (751, 95060), (970, 73598), (980, 72847), (1358, 52570), (1502, 47530), (1940, 36799), (2716, 26285), (3004, 23765), (3395, 21028), (3755, 19012), (4753, 15020), (5257, 13580), (6790, 10514), (7510, 9506)]