71141140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 175097160

約数和(自身を除く): 103956020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 317, 458, 490, 634, 916, 980, 1145, 1268, 1585, 1603, 2219, 2290, 3170, 3206, 4438, 4580, 6340, 6412, 8015, 8876, 11095, 11221, 15533, 16030, 22190, 22442, 31066, 32060, 44380, 44884, 56105, 62132, 72593, 77665, 112210, 145186, 155330, 224420, 290372, 310660, 362965, 508151, 725930, 1016302, 1451860, 2032604, 2540755, 3557057, 5081510, 7114114, 10163020, 14228228, 17785285, 35570570, 71141140]

約数ペア:

[(1, 71141140), (2, 35570570), (4, 17785285), (5, 14228228), (7, 10163020), (10, 7114114), (14, 5081510), (20, 3557057), (28, 2540755), (35, 2032604), (49, 1451860), (70, 1016302), (98, 725930), (140, 508151), (196, 362965), (229, 310660), (245, 290372), (317, 224420), (458, 155330), (490, 145186), (634, 112210), (916, 77665), (980, 72593), (1145, 62132), (1268, 56105), (1585, 44884), (1603, 44380), (2219, 32060), (2290, 31066), (3170, 22442), (3206, 22190), (4438, 16030), (4580, 15533), (6340, 11221), (6412, 11095), (8015, 8876)]