678681140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3465

約数の個数: 96

約数和(自身を含む): 1640217600

約数和(自身を除く): 961536460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 31, 34, 38, 62, 68, 76, 85, 95, 124, 155, 170, 190, 310, 323, 340, 380, 527, 589, 620, 646, 1054, 1178, 1292, 1615, 2108, 2356, 2635, 2945, 3230, 3389, 5270, 5890, 6460, 6778, 10013, 10540, 11780, 13556, 16945, 20026, 33890, 40052, 50065, 57613, 64391, 67780, 100130, 105059, 115226, 128782, 200260, 210118, 230452, 257564, 288065, 321955, 420236, 525295, 576130, 643910, 1050590, 1094647, 1152260, 1287820, 1786003, 1996121, 2101180, 2189294, 3572006, 3992242, 4378588, 5473235, 7144012, 7984484, 8930015, 9980605, 10946470, 17860030, 19961210, 21892940, 33934057, 35720060, 39922420, 67868114, 135736228, 169670285, 339340570, 678681140]

約数ペア:

[(1, 678681140), (2, 339340570), (4, 169670285), (5, 135736228), (10, 67868114), (17, 39922420), (19, 35720060), (20, 33934057), (31, 21892940), (34, 19961210), (38, 17860030), (62, 10946470), (68, 9980605), (76, 8930015), (85, 7984484), (95, 7144012), (124, 5473235), (155, 4378588), (170, 3992242), (190, 3572006), (310, 2189294), (323, 2101180), (340, 1996121), (380, 1786003), (527, 1287820), (589, 1152260), (620, 1094647), (646, 1050590), (1054, 643910), (1178, 576130), (1292, 525295), (1615, 420236), (2108, 321955), (2356, 288065), (2635, 257564), (2945, 230452), (3230, 210118), (3389, 200260), (5270, 128782), (5890, 115226), (6460, 105059), (6778, 100130), (10013, 67780), (10540, 64391), (11780, 57613), (13556, 50065), (16945, 40052), (20026, 33890)]