2912201915

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 4679700480

約数和(自身を除く): 1767498565

約数列:

[1, 5, 7, 17, 19, 35, 41, 61, 85, 95, 103, 119, 133, 205, 287, 305, 323, 427, 515, 595, 665, 697, 721, 779, 1037, 1159, 1435, 1615, 1751, 1957, 2135, 2261, 2501, 3485, 3605, 3895, 4223, 4879, 5185, 5453, 5795, 6283, 7259, 8113, 8755, 9785, 11305, 12257, 12505, 13243, 13699, 17507, 19703, 21115, 24395, 27265, 29561, 31415, 33269, 36295, 40565, 42517, 43981, 47519, 61285, 66215, 68495, 71791, 80237, 87535, 92701, 98515, 106811, 119377, 137921, 147805, 166345, 212585, 219905, 232883, 237595, 257603, 297619, 332633, 358955, 401185, 463505, 502537, 534055, 561659, 596885, 689605, 747677, 807823, 835639, 1164415, 1288015, 1364029, 1488095, 1663165, 1803221, 2029409, 2512685, 2808295, 3738385, 4039115, 4178195, 4379251, 4894457, 5654761, 6820145, 9016105, 9548203, 10147045, 14205863, 21896255, 24472285, 28273805, 30654757, 34261199, 47741015, 71029315, 83205769, 153273785, 171305995, 416028845, 582440383, 2912201915]

約数ペア:

[(1, 2912201915), (5, 582440383), (7, 416028845), (17, 171305995), (19, 153273785), (35, 83205769), (41, 71029315), (61, 47741015), (85, 34261199), (95, 30654757), (103, 28273805), (119, 24472285), (133, 21896255), (205, 14205863), (287, 10147045), (305, 9548203), (323, 9016105), (427, 6820145), (515, 5654761), (595, 4894457), (665, 4379251), (697, 4178195), (721, 4039115), (779, 3738385), (1037, 2808295), (1159, 2512685), (1435, 2029409), (1615, 1803221), (1751, 1663165), (1957, 1488095), (2135, 1364029), (2261, 1288015), (2501, 1164415), (3485, 835639), (3605, 807823), (3895, 747677), (4223, 689605), (4879, 596885), (5185, 561659), (5453, 534055), (5795, 502537), (6283, 463505), (7259, 401185), (8113, 358955), (8755, 332633), (9785, 297619), (11305, 257603), (12257, 237595), (12505, 232883), (13243, 219905), (13699, 212585), (17507, 166345), (19703, 147805), (21115, 137921), (24395, 119377), (27265, 106811), (29561, 98515), (31415, 92701), (33269, 87535), (36295, 80237), (40565, 71791), (42517, 68495), (43981, 66215), (47519, 61285)]