289585840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{601}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 712141920

約数和(自身を除く): 422556080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 317, 380, 601, 634, 760, 1202, 1268, 1520, 1585, 2404, 2536, 3005, 3170, 4808, 5072, 6010, 6023, 6340, 9616, 11419, 12020, 12046, 12680, 22838, 24040, 24092, 25360, 30115, 45676, 48080, 48184, 57095, 60230, 91352, 96368, 114190, 120460, 182704, 190517, 228380, 240920, 381034, 456760, 481840, 762068, 913520, 952585, 1524136, 1905170, 3048272, 3619823, 3810340, 7239646, 7620680, 14479292, 15241360, 18099115, 28958584, 36198230, 57917168, 72396460, 144792920, 289585840]

約数ペア:

[(1, 289585840), (2, 144792920), (4, 72396460), (5, 57917168), (8, 36198230), (10, 28958584), (16, 18099115), (19, 15241360), (20, 14479292), (38, 7620680), (40, 7239646), (76, 3810340), (80, 3619823), (95, 3048272), (152, 1905170), (190, 1524136), (304, 952585), (317, 913520), (380, 762068), (601, 481840), (634, 456760), (760, 381034), (1202, 240920), (1268, 228380), (1520, 190517), (1585, 182704), (2404, 120460), (2536, 114190), (3005, 96368), (3170, 91352), (4808, 60230), (5072, 57095), (6010, 48184), (6023, 48080), (6340, 45676), (9616, 30115), (11419, 25360), (12020, 24092), (12046, 24040), (12680, 22838)]