8679860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 22494024

約数和(自身を除く): 13814164

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 521, 595, 833, 980, 1042, 1190, 1666, 2084, 2380, 2605, 3332, 3647, 4165, 5210, 7294, 8330, 8857, 10420, 14588, 16660, 17714, 18235, 25529, 35428, 36470, 44285, 51058, 61999, 72940, 88570, 102116, 123998, 127645, 177140, 247996, 255290, 309995, 433993, 510580, 619990, 867986, 1239980, 1735972, 2169965, 4339930, 8679860]

約数ペア:

[(1, 8679860), (2, 4339930), (4, 2169965), (5, 1735972), (7, 1239980), (10, 867986), (14, 619990), (17, 510580), (20, 433993), (28, 309995), (34, 255290), (35, 247996), (49, 177140), (68, 127645), (70, 123998), (85, 102116), (98, 88570), (119, 72940), (140, 61999), (170, 51058), (196, 44285), (238, 36470), (245, 35428), (340, 25529), (476, 18235), (490, 17714), (521, 16660), (595, 14588), (833, 10420), (980, 8857), (1042, 8330), (1190, 7294), (1666, 5210), (2084, 4165), (2380, 3647), (2605, 3332)]