278332880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16033}}^1$

素因数の和:16084

約数の個数: 80

約数和(自身を含む): 763474944

約数和(自身を除く): 485142064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 16033, 17360, 32066, 64132, 80165, 112231, 128264, 160330, 224462, 256528, 320660, 448924, 497023, 561155, 641320, 897848, 994046, 1122310, 1282640, 1795696, 1988092, 2244620, 2485115, 3479161, 3976184, 4489240, 4970230, 6958322, 7952368, 8978480, 9940460, 13916644, 17395805, 19880920, 27833288, 34791610, 39761840, 55666576, 69583220, 139166440, 278332880]

約数ペア:

[(1, 278332880), (2, 139166440), (4, 69583220), (5, 55666576), (7, 39761840), (8, 34791610), (10, 27833288), (14, 19880920), (16, 17395805), (20, 13916644), (28, 9940460), (31, 8978480), (35, 7952368), (40, 6958322), (56, 4970230), (62, 4489240), (70, 3976184), (80, 3479161), (112, 2485115), (124, 2244620), (140, 1988092), (155, 1795696), (217, 1282640), (248, 1122310), (280, 994046), (310, 897848), (434, 641320), (496, 561155), (560, 497023), (620, 448924), (868, 320660), (1085, 256528), (1240, 224462), (1736, 160330), (2170, 128264), (2480, 112231), (3472, 80165), (4340, 64132), (8680, 32066), (16033, 17360)]