313680785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 466698240

約数和(自身を除く): 153017455

約数列:

[1, 5, 11, 19, 23, 31, 55, 95, 115, 155, 209, 253, 341, 421, 437, 589, 713, 1045, 1265, 1705, 2105, 2185, 2945, 3565, 4631, 4807, 6479, 7843, 7999, 9683, 13051, 13547, 23155, 24035, 32395, 39215, 39995, 48415, 65255, 67735, 87989, 106513, 143561, 149017, 183977, 247969, 300173, 439945, 532565, 717805, 745085, 919885, 1239845, 1500865, 2023747, 2727659, 3301903, 5703287, 10118735, 13638295, 16509515, 28516435, 62736157, 313680785]

約数ペア:

[(1, 313680785), (5, 62736157), (11, 28516435), (19, 16509515), (23, 13638295), (31, 10118735), (55, 5703287), (95, 3301903), (115, 2727659), (155, 2023747), (209, 1500865), (253, 1239845), (341, 919885), (421, 745085), (437, 717805), (589, 532565), (713, 439945), (1045, 300173), (1265, 247969), (1705, 183977), (2105, 149017), (2185, 143561), (2945, 106513), (3565, 87989), (4631, 67735), (4807, 65255), (6479, 48415), (7843, 39995), (7999, 39215), (9683, 32395), (13051, 24035), (13547, 23155)]