1209897700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 2970434880

約数和(自身を除く): 1760537180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 139, 164, 193, 205, 220, 275, 278, 386, 410, 451, 550, 556, 695, 772, 820, 902, 965, 1025, 1100, 1390, 1529, 1804, 1930, 2050, 2123, 2255, 2780, 3058, 3475, 3860, 4100, 4246, 4510, 4825, 5699, 6116, 6950, 7645, 7913, 8492, 9020, 9650, 10615, 11275, 11398, 13900, 15290, 15826, 19300, 21230, 22550, 22796, 26827, 28495, 30580, 31652, 38225, 39565, 42460, 45100, 53075, 53654, 56990, 62689, 76450, 79130, 87043, 106150, 107308, 113980, 125378, 134135, 142475, 152900, 158260, 174086, 197825, 212300, 250756, 268270, 284950, 295097, 313445, 348172, 395650, 435215, 536540, 569900, 590194, 626890, 670675, 791300, 870430, 1099907, 1180388, 1253780, 1341350, 1475485, 1567225, 1740860, 2176075, 2199814, 2682700, 2950970, 3134450, 4352150, 4399628, 5499535, 5901940, 6268900, 7377425, 8704300, 10999070, 12098977, 14754850, 21998140, 24197954, 27497675, 29509700, 48395908, 54995350, 60494885, 109990700, 120989770, 241979540, 302474425, 604948850, 1209897700]

約数ペア:

[(1, 1209897700), (2, 604948850), (4, 302474425), (5, 241979540), (10, 120989770), (11, 109990700), (20, 60494885), (22, 54995350), (25, 48395908), (41, 29509700), (44, 27497675), (50, 24197954), (55, 21998140), (82, 14754850), (100, 12098977), (110, 10999070), (139, 8704300), (164, 7377425), (193, 6268900), (205, 5901940), (220, 5499535), (275, 4399628), (278, 4352150), (386, 3134450), (410, 2950970), (451, 2682700), (550, 2199814), (556, 2176075), (695, 1740860), (772, 1567225), (820, 1475485), (902, 1341350), (965, 1253780), (1025, 1180388), (1100, 1099907), (1390, 870430), (1529, 791300), (1804, 670675), (1930, 626890), (2050, 590194), (2123, 569900), (2255, 536540), (2780, 435215), (3058, 395650), (3475, 348172), (3860, 313445), (4100, 295097), (4246, 284950), (4510, 268270), (4825, 250756), (5699, 212300), (6116, 197825), (6950, 174086), (7645, 158260), (7913, 152900), (8492, 142475), (9020, 134135), (9650, 125378), (10615, 113980), (11275, 107308), (11398, 106150), (13900, 87043), (15290, 79130), (15826, 76450), (19300, 62689), (21230, 56990), (22550, 53654), (22796, 53075), (26827, 45100), (28495, 42460), (30580, 39565), (31652, 38225)]