257178090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{22739}}^1$

素因数の和:22791

約数の個数: 64

約数和(自身を含む): 687657600

約数和(自身を除く): 430479510

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 2262, 3770, 5655, 11310, 22739, 45478, 68217, 113695, 136434, 227390, 295607, 341085, 591214, 659431, 682170, 886821, 1318862, 1478035, 1773642, 1978293, 2956070, 3297155, 3956586, 4434105, 6594310, 8572603, 8868210, 9891465, 17145206, 19782930, 25717809, 42863015, 51435618, 85726030, 128589045, 257178090]

約数ペア:

[(1, 257178090), (2, 128589045), (3, 85726030), (5, 51435618), (6, 42863015), (10, 25717809), (13, 19782930), (15, 17145206), (26, 9891465), (29, 8868210), (30, 8572603), (39, 6594310), (58, 4434105), (65, 3956586), (78, 3297155), (87, 2956070), (130, 1978293), (145, 1773642), (174, 1478035), (195, 1318862), (290, 886821), (377, 682170), (390, 659431), (435, 591214), (754, 341085), (870, 295607), (1131, 227390), (1885, 136434), (2262, 113695), (3770, 68217), (5655, 45478), (11310, 22739)]