219067720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{288247}}^1$

素因数の和:288277

約数の個数: 32

約数和(自身を含む): 518846400

約数和(自身を除く): 299778680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 288247, 576494, 1152988, 1441235, 2305976, 2882470, 5476693, 5764940, 10953386, 11529880, 21906772, 27383465, 43813544, 54766930, 109533860, 219067720]

約数ペア:

[(1, 219067720), (2, 109533860), (4, 54766930), (5, 43813544), (8, 27383465), (10, 21906772), (19, 11529880), (20, 10953386), (38, 5764940), (40, 5476693), (76, 2882470), (95, 2305976), (152, 1441235), (190, 1152988), (380, 576494), (760, 288247)]