285969460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 707616000

約数和(自身を除く): 421646540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 89, 118, 140, 178, 236, 295, 356, 389, 413, 445, 590, 623, 778, 826, 890, 1180, 1246, 1556, 1652, 1780, 1945, 2065, 2492, 2723, 3115, 3890, 4130, 5251, 5446, 6230, 7780, 8260, 10502, 10892, 12460, 13615, 21004, 22951, 26255, 27230, 34621, 36757, 45902, 52510, 54460, 69242, 73514, 91804, 105020, 114755, 138484, 147028, 160657, 173105, 183785, 229510, 242347, 321314, 346210, 367570, 459020, 484694, 642628, 692420, 735140, 803285, 969388, 1211735, 1606570, 2042639, 2423470, 3213140, 4085278, 4846940, 8170556, 10213195, 14298473, 20426390, 28596946, 40852780, 57193892, 71492365, 142984730, 285969460]

約数ペア:

[(1, 285969460), (2, 142984730), (4, 71492365), (5, 57193892), (7, 40852780), (10, 28596946), (14, 20426390), (20, 14298473), (28, 10213195), (35, 8170556), (59, 4846940), (70, 4085278), (89, 3213140), (118, 2423470), (140, 2042639), (178, 1606570), (236, 1211735), (295, 969388), (356, 803285), (389, 735140), (413, 692420), (445, 642628), (590, 484694), (623, 459020), (778, 367570), (826, 346210), (890, 321314), (1180, 242347), (1246, 229510), (1556, 183785), (1652, 173105), (1780, 160657), (1945, 147028), (2065, 138484), (2492, 114755), (2723, 105020), (3115, 91804), (3890, 73514), (4130, 69242), (5251, 54460), (5446, 52510), (6230, 45902), (7780, 36757), (8260, 34621), (10502, 27230), (10892, 26255), (12460, 22951), (13615, 21004)]