238231980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2756

約数の個数: 144

約数和(自身を含む): 837817344

約数和(自身を除く): 599585364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2485, 2556, 2663, 2982, 3195, 4260, 4473, 4970, 5326, 5964, 6390, 7455, 7989, 8946, 9940, 10652, 12780, 13315, 14910, 15978, 17892, 18641, 22365, 23967, 26630, 29820, 31956, 37282, 39945, 44730, 47934, 53260, 55923, 74564, 79890, 89460, 93205, 95868, 111846, 119835, 159780, 167769, 186410, 189073, 223692, 239670, 279615, 335538, 372820, 378146, 479340, 559230, 567219, 671076, 756292, 838845, 945365, 1118460, 1134438, 1323511, 1677690, 1701657, 1890730, 2268876, 2647022, 2836095, 3355380, 3403314, 3781460, 3970533, 5294044, 5672190, 6617555, 6806628, 7941066, 8508285, 11344380, 11911599, 13235110, 15882132, 17016570, 19852665, 23823198, 26470220, 34033140, 39705330, 47646396, 59557995, 79410660, 119115990, 238231980]

約数ペア:

[(1, 238231980), (2, 119115990), (3, 79410660), (4, 59557995), (5, 47646396), (6, 39705330), (7, 34033140), (9, 26470220), (10, 23823198), (12, 19852665), (14, 17016570), (15, 15882132), (18, 13235110), (20, 11911599), (21, 11344380), (28, 8508285), (30, 7941066), (35, 6806628), (36, 6617555), (42, 5672190), (45, 5294044), (60, 3970533), (63, 3781460), (70, 3403314), (71, 3355380), (84, 2836095), (90, 2647022), (105, 2268876), (126, 1890730), (140, 1701657), (142, 1677690), (180, 1323511), (210, 1134438), (213, 1118460), (252, 945365), (284, 838845), (315, 756292), (355, 671076), (420, 567219), (426, 559230), (497, 479340), (630, 378146), (639, 372820), (710, 335538), (852, 279615), (994, 239670), (1065, 223692), (1260, 189073), (1278, 186410), (1420, 167769), (1491, 159780), (1988, 119835), (2130, 111846), (2485, 95868), (2556, 93205), (2663, 89460), (2982, 79890), (3195, 74564), (4260, 55923), (4473, 53260), (4970, 47934), (5326, 44730), (5964, 39945), (6390, 37282), (7455, 31956), (7989, 29820), (8946, 26630), (9940, 23967), (10652, 22365), (12780, 18641), (13315, 17892), (14910, 15978)]