2720343740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{89899}}^1$

素因数の和:90014

約数の個数: 48

約数和(自身を含む): 6116796000

約数和(自身を除く): 3396452260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 89899, 179798, 359596, 449495, 898990, 1528283, 1797980, 3056566, 6113132, 7641415, 8001011, 15282830, 16002022, 30565660, 32004044, 40005055, 80010110, 136017187, 160020220, 272034374, 544068748, 680085935, 1360171870, 2720343740]

約数ペア:

[(1, 2720343740), (2, 1360171870), (4, 680085935), (5, 544068748), (10, 272034374), (17, 160020220), (20, 136017187), (34, 80010110), (68, 40005055), (85, 32004044), (89, 30565660), (170, 16002022), (178, 15282830), (340, 8001011), (356, 7641415), (445, 6113132), (890, 3056566), (1513, 1797980), (1780, 1528283), (3026, 898990), (6052, 449495), (7565, 359596), (15130, 179798), (30260, 89899)]