280097272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5419}}^1$

素因数の和:5516

約数の個数: 64

約数和(自身を含む): 655603200

約数和(自身を除く): 375505928

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1846, 1988, 3692, 3976, 5419, 6461, 7384, 10838, 12922, 21676, 25844, 37933, 43352, 51688, 70447, 75866, 140894, 151732, 281788, 303464, 384749, 493129, 563576, 769498, 986258, 1538996, 1972516, 2693243, 3077992, 3945032, 5001737, 5386486, 10003474, 10772972, 20006948, 21545944, 35012159, 40013896, 70024318, 140048636, 280097272]

約数ペア:

[(1, 280097272), (2, 140048636), (4, 70024318), (7, 40013896), (8, 35012159), (13, 21545944), (14, 20006948), (26, 10772972), (28, 10003474), (52, 5386486), (56, 5001737), (71, 3945032), (91, 3077992), (104, 2693243), (142, 1972516), (182, 1538996), (284, 986258), (364, 769498), (497, 563576), (568, 493129), (728, 384749), (923, 303464), (994, 281788), (1846, 151732), (1988, 140894), (3692, 75866), (3976, 70447), (5419, 51688), (6461, 43352), (7384, 37933), (10838, 25844), (12922, 21676)]