331863280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{84659}}^1$

素因数の和:84686

約数の個数: 60

約数和(自身を含む): 897565320

約数和(自身を除く): 565702040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 84659, 169318, 338636, 423295, 592613, 677272, 846590, 1185226, 1354544, 1693180, 2370452, 2963065, 3386360, 4148291, 4740904, 5926130, 6772720, 8296582, 9481808, 11852260, 16593164, 20741455, 23704520, 33186328, 41482910, 47409040, 66372656, 82965820, 165931640, 331863280]

約数ペア:

[(1, 331863280), (2, 165931640), (4, 82965820), (5, 66372656), (7, 47409040), (8, 41482910), (10, 33186328), (14, 23704520), (16, 20741455), (20, 16593164), (28, 11852260), (35, 9481808), (40, 8296582), (49, 6772720), (56, 5926130), (70, 4740904), (80, 4148291), (98, 3386360), (112, 2963065), (140, 2370452), (196, 1693180), (245, 1354544), (280, 1185226), (392, 846590), (490, 677272), (560, 592613), (784, 423295), (980, 338636), (1960, 169318), (3920, 84659)]