1279885880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{50231}}^1$

素因数の和:50269

約数の個数: 96

約数和(自身を含む): 3607662240

約数和(自身を除く): 2327776360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 12740, 25480, 50231, 100462, 200924, 251155, 351617, 401848, 502310, 653003, 703234, 1004620, 1306006, 1406468, 1758085, 2009240, 2461319, 2612012, 2812936, 3265015, 3516170, 4571021, 4922638, 5224024, 6530030, 7032340, 9142042, 9845276, 12306595, 13060060, 14064680, 18284084, 19690552, 22855105, 24613190, 26120120, 31997147, 36568168, 45710210, 49226380, 63994294, 91420420, 98452760, 127988588, 159985735, 182840840, 255977176, 319971470, 639942940, 1279885880]

約数ペア:

[(1, 1279885880), (2, 639942940), (4, 319971470), (5, 255977176), (7, 182840840), (8, 159985735), (10, 127988588), (13, 98452760), (14, 91420420), (20, 63994294), (26, 49226380), (28, 45710210), (35, 36568168), (40, 31997147), (49, 26120120), (52, 24613190), (56, 22855105), (65, 19690552), (70, 18284084), (91, 14064680), (98, 13060060), (104, 12306595), (130, 9845276), (140, 9142042), (182, 7032340), (196, 6530030), (245, 5224024), (260, 4922638), (280, 4571021), (364, 3516170), (392, 3265015), (455, 2812936), (490, 2612012), (520, 2461319), (637, 2009240), (728, 1758085), (910, 1406468), (980, 1306006), (1274, 1004620), (1820, 703234), (1960, 653003), (2548, 502310), (3185, 401848), (3640, 351617), (5096, 251155), (6370, 200924), (12740, 100462), (25480, 50231)]