1215706700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 2945061504

約数和(自身を除く): 1729354804

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 101, 130, 188, 197, 202, 235, 260, 325, 394, 404, 470, 505, 611, 650, 788, 940, 985, 1010, 1175, 1222, 1300, 1313, 1970, 2020, 2350, 2444, 2525, 2561, 2626, 3055, 3940, 4700, 4747, 4925, 5050, 5122, 5252, 6110, 6565, 9259, 9494, 9850, 10100, 10244, 12220, 12805, 13130, 15275, 18518, 18988, 19700, 19897, 23735, 25610, 26260, 30550, 32825, 37036, 39794, 46295, 47470, 51220, 61100, 61711, 64025, 65650, 79588, 92590, 94940, 99485, 118675, 120367, 123422, 128050, 131300, 185180, 198970, 231475, 237350, 240734, 246844, 256100, 258661, 308555, 397940, 462950, 474700, 481468, 497425, 517322, 601835, 617110, 925900, 935159, 994850, 1034644, 1203670, 1234220, 1293305, 1542775, 1870318, 1989700, 2407340, 2586610, 3009175, 3085550, 3740636, 4675795, 5173220, 6018350, 6171100, 6466525, 9351590, 12036700, 12157067, 12933050, 18703180, 23378975, 24314134, 25866100, 46757950, 48628268, 60785335, 93515900, 121570670, 243141340, 303926675, 607853350, 1215706700]

約数ペア:

[(1, 1215706700), (2, 607853350), (4, 303926675), (5, 243141340), (10, 121570670), (13, 93515900), (20, 60785335), (25, 48628268), (26, 46757950), (47, 25866100), (50, 24314134), (52, 23378975), (65, 18703180), (94, 12933050), (100, 12157067), (101, 12036700), (130, 9351590), (188, 6466525), (197, 6171100), (202, 6018350), (235, 5173220), (260, 4675795), (325, 3740636), (394, 3085550), (404, 3009175), (470, 2586610), (505, 2407340), (611, 1989700), (650, 1870318), (788, 1542775), (940, 1293305), (985, 1234220), (1010, 1203670), (1175, 1034644), (1222, 994850), (1300, 935159), (1313, 925900), (1970, 617110), (2020, 601835), (2350, 517322), (2444, 497425), (2525, 481468), (2561, 474700), (2626, 462950), (3055, 397940), (3940, 308555), (4700, 258661), (4747, 256100), (4925, 246844), (5050, 240734), (5122, 237350), (5252, 231475), (6110, 198970), (6565, 185180), (9259, 131300), (9494, 128050), (9850, 123422), (10100, 120367), (10244, 118675), (12220, 99485), (12805, 94940), (13130, 92590), (15275, 79588), (18518, 65650), (18988, 64025), (19700, 61711), (19897, 61100), (23735, 51220), (25610, 47470), (26260, 46295), (30550, 39794), (32825, 37036)]