850991960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1021

約数の個数: 128

約数和(自身を含む): 2366582400

約数和(自身を除く): 1515590440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 389, 455, 520, 601, 728, 778, 910, 1202, 1556, 1820, 1945, 2404, 2723, 3005, 3112, 3640, 3890, 4207, 4808, 5057, 5446, 6010, 7780, 7813, 8414, 10114, 10892, 12020, 13615, 15560, 15626, 16828, 20228, 21035, 21784, 24040, 25285, 27230, 31252, 33656, 35399, 39065, 40456, 42070, 50570, 54460, 54691, 62504, 70798, 78130, 84140, 101140, 108920, 109382, 141596, 156260, 168280, 176995, 202280, 218764, 233789, 273455, 283192, 312520, 353990, 437528, 467578, 546910, 707980, 935156, 1093820, 1168945, 1415960, 1636523, 1870312, 2187640, 2337890, 3039257, 3273046, 4675780, 6078514, 6546092, 8182615, 9351560, 12157028, 13092184, 15196285, 16365230, 21274799, 24314056, 30392570, 32730460, 42549598, 60785140, 65460920, 85099196, 106373995, 121570280, 170198392, 212747990, 425495980, 850991960]

約数ペア:

[(1, 850991960), (2, 425495980), (4, 212747990), (5, 170198392), (7, 121570280), (8, 106373995), (10, 85099196), (13, 65460920), (14, 60785140), (20, 42549598), (26, 32730460), (28, 30392570), (35, 24314056), (40, 21274799), (52, 16365230), (56, 15196285), (65, 13092184), (70, 12157028), (91, 9351560), (104, 8182615), (130, 6546092), (140, 6078514), (182, 4675780), (260, 3273046), (280, 3039257), (364, 2337890), (389, 2187640), (455, 1870312), (520, 1636523), (601, 1415960), (728, 1168945), (778, 1093820), (910, 935156), (1202, 707980), (1556, 546910), (1820, 467578), (1945, 437528), (2404, 353990), (2723, 312520), (3005, 283192), (3112, 273455), (3640, 233789), (3890, 218764), (4207, 202280), (4808, 176995), (5057, 168280), (5446, 156260), (6010, 141596), (7780, 109382), (7813, 108920), (8414, 101140), (10114, 84140), (10892, 78130), (12020, 70798), (13615, 62504), (15560, 54691), (15626, 54460), (16828, 50570), (20228, 42070), (21035, 40456), (21784, 39065), (24040, 35399), (25285, 33656), (27230, 31252)]