519585220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 1398019392

約数和(自身を除く): 878434172

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 157, 196, 220, 245, 307, 308, 314, 385, 490, 539, 614, 628, 770, 785, 980, 1078, 1099, 1228, 1535, 1540, 1570, 1727, 2149, 2156, 2198, 2695, 3070, 3140, 3377, 3454, 4298, 4396, 5390, 5495, 6140, 6754, 6908, 7693, 8596, 8635, 10745, 10780, 10990, 12089, 13508, 15043, 15386, 16885, 17270, 21490, 21980, 23639, 24178, 30086, 30772, 33770, 34540, 38465, 42980, 47278, 48199, 48356, 60172, 60445, 67540, 75215, 76930, 84623, 94556, 96398, 118195, 120890, 150430, 153860, 165473, 169246, 192796, 236390, 240995, 241780, 300860, 330946, 337393, 338492, 423115, 472780, 481990, 530189, 661892, 674786, 827365, 846230, 963980, 1060378, 1349572, 1654730, 1686965, 1692460, 2120756, 2361751, 2650945, 3309460, 3373930, 3711323, 4723502, 5301890, 6747860, 7422646, 9447004, 10603780, 11808755, 14845292, 18556615, 23617510, 25979261, 37113230, 47235020, 51958522, 74226460, 103917044, 129896305, 259792610, 519585220]

約数ペア:

[(1, 519585220), (2, 259792610), (4, 129896305), (5, 103917044), (7, 74226460), (10, 51958522), (11, 47235020), (14, 37113230), (20, 25979261), (22, 23617510), (28, 18556615), (35, 14845292), (44, 11808755), (49, 10603780), (55, 9447004), (70, 7422646), (77, 6747860), (98, 5301890), (110, 4723502), (140, 3711323), (154, 3373930), (157, 3309460), (196, 2650945), (220, 2361751), (245, 2120756), (307, 1692460), (308, 1686965), (314, 1654730), (385, 1349572), (490, 1060378), (539, 963980), (614, 846230), (628, 827365), (770, 674786), (785, 661892), (980, 530189), (1078, 481990), (1099, 472780), (1228, 423115), (1535, 338492), (1540, 337393), (1570, 330946), (1727, 300860), (2149, 241780), (2156, 240995), (2198, 236390), (2695, 192796), (3070, 169246), (3140, 165473), (3377, 153860), (3454, 150430), (4298, 120890), (4396, 118195), (5390, 96398), (5495, 94556), (6140, 84623), (6754, 76930), (6908, 75215), (7693, 67540), (8596, 60445), (8635, 60172), (10745, 48356), (10780, 48199), (10990, 47278), (12089, 42980), (13508, 38465), (15043, 34540), (15386, 33770), (16885, 30772), (17270, 30086), (21490, 24178), (21980, 23639)]