2840881540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{6481}}^1$

素因数の和:6629

約数の個数: 96

約数和(自身を含む): 7108835328

約数和(自身を除く): 4267953788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 101, 124, 140, 155, 202, 217, 310, 404, 434, 505, 620, 707, 868, 1010, 1085, 1414, 2020, 2170, 2828, 3131, 3535, 4340, 6262, 6481, 7070, 12524, 12962, 14140, 15655, 21917, 25924, 31310, 32405, 43834, 45367, 62620, 64810, 87668, 90734, 109585, 129620, 181468, 200911, 219170, 226835, 401822, 438340, 453670, 654581, 803644, 907340, 1004555, 1309162, 1406377, 2009110, 2618324, 2812754, 3272905, 4018220, 4582067, 5625508, 6545810, 7031885, 9164134, 13091620, 14063770, 18328268, 20292011, 22910335, 28127540, 40584022, 45820670, 81168044, 91641340, 101460055, 142044077, 202920110, 284088154, 405840220, 568176308, 710220385, 1420440770, 2840881540]

約数ペア:

[(1, 2840881540), (2, 1420440770), (4, 710220385), (5, 568176308), (7, 405840220), (10, 284088154), (14, 202920110), (20, 142044077), (28, 101460055), (31, 91641340), (35, 81168044), (62, 45820670), (70, 40584022), (101, 28127540), (124, 22910335), (140, 20292011), (155, 18328268), (202, 14063770), (217, 13091620), (310, 9164134), (404, 7031885), (434, 6545810), (505, 5625508), (620, 4582067), (707, 4018220), (868, 3272905), (1010, 2812754), (1085, 2618324), (1414, 2009110), (2020, 1406377), (2170, 1309162), (2828, 1004555), (3131, 907340), (3535, 803644), (4340, 654581), (6262, 453670), (6481, 438340), (7070, 401822), (12524, 226835), (12962, 219170), (14140, 200911), (15655, 181468), (21917, 129620), (25924, 109585), (31310, 90734), (32405, 87668), (43834, 64810), (45367, 62620)]