280858950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 804323520

約数和(自身を除く): 523464570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 107, 114, 150, 171, 190, 214, 225, 285, 307, 321, 342, 450, 475, 535, 570, 614, 642, 855, 921, 950, 963, 1070, 1425, 1535, 1605, 1710, 1842, 1926, 2033, 2675, 2763, 2850, 3070, 3210, 4066, 4275, 4605, 4815, 5350, 5526, 5833, 6099, 7675, 8025, 8550, 9210, 9630, 10165, 11666, 12198, 13815, 15350, 16050, 17499, 18297, 20330, 23025, 24075, 27630, 29165, 30495, 32849, 34998, 36594, 46050, 48150, 50825, 52497, 58330, 60990, 65698, 69075, 87495, 91485, 98547, 101650, 104994, 138150, 145825, 152475, 164245, 174990, 182970, 197094, 262485, 291650, 295641, 304950, 328490, 437475, 457425, 492735, 524970, 591282, 624131, 821225, 874950, 914850, 985470, 1248262, 1312425, 1478205, 1642450, 1872393, 2463675, 2624850, 2956410, 3120655, 3744786, 4927350, 5617179, 6241310, 7391025, 9361965, 11234358, 14782050, 15603275, 18723930, 28085895, 31206550, 46809825, 56171790, 93619650, 140429475, 280858950]

約数ペア:

[(1, 280858950), (2, 140429475), (3, 93619650), (5, 56171790), (6, 46809825), (9, 31206550), (10, 28085895), (15, 18723930), (18, 15603275), (19, 14782050), (25, 11234358), (30, 9361965), (38, 7391025), (45, 6241310), (50, 5617179), (57, 4927350), (75, 3744786), (90, 3120655), (95, 2956410), (107, 2624850), (114, 2463675), (150, 1872393), (171, 1642450), (190, 1478205), (214, 1312425), (225, 1248262), (285, 985470), (307, 914850), (321, 874950), (342, 821225), (450, 624131), (475, 591282), (535, 524970), (570, 492735), (614, 457425), (642, 437475), (855, 328490), (921, 304950), (950, 295641), (963, 291650), (1070, 262485), (1425, 197094), (1535, 182970), (1605, 174990), (1710, 164245), (1842, 152475), (1926, 145825), (2033, 138150), (2675, 104994), (2763, 101650), (2850, 98547), (3070, 91485), (3210, 87495), (4066, 69075), (4275, 65698), (4605, 60990), (4815, 58330), (5350, 52497), (5526, 50825), (5833, 48150), (6099, 46050), (7675, 36594), (8025, 34998), (8550, 32849), (9210, 30495), (9630, 29165), (10165, 27630), (11666, 24075), (12198, 23025), (13815, 20330), (15350, 18297), (16050, 17499)]