61109860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 150764544

約数和(自身を除く): 89654684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 490, 491, 508, 635, 889, 980, 982, 1270, 1778, 1964, 2455, 2540, 3437, 3556, 4445, 4910, 6223, 6874, 8890, 9820, 12446, 13748, 17185, 17780, 24059, 24892, 31115, 34370, 48118, 62230, 62357, 68740, 96236, 120295, 124460, 124714, 240590, 249428, 311785, 436499, 481180, 623570, 872998, 1247140, 1745996, 2182495, 3055493, 4364990, 6110986, 8729980, 12221972, 15277465, 30554930, 61109860]

約数ペア:

[(1, 61109860), (2, 30554930), (4, 15277465), (5, 12221972), (7, 8729980), (10, 6110986), (14, 4364990), (20, 3055493), (28, 2182495), (35, 1745996), (49, 1247140), (70, 872998), (98, 623570), (127, 481180), (140, 436499), (196, 311785), (245, 249428), (254, 240590), (490, 124714), (491, 124460), (508, 120295), (635, 96236), (889, 68740), (980, 62357), (982, 62230), (1270, 48118), (1778, 34370), (1964, 31115), (2455, 24892), (2540, 24059), (3437, 17780), (3556, 17185), (4445, 13748), (4910, 12446), (6223, 9820), (6874, 8890)]