211328240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85213}}^1$

素因数の和:85257

約数の個数: 40

約数和(自身を含む): 507193728

約数和(自身を除く): 295865488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 85213, 170426, 340852, 426065, 681704, 852130, 1363408, 1704260, 2641603, 3408520, 5283206, 6817040, 10566412, 13208015, 21132824, 26416030, 42265648, 52832060, 105664120, 211328240]

約数ペア:

[(1, 211328240), (2, 105664120), (4, 52832060), (5, 42265648), (8, 26416030), (10, 21132824), (16, 13208015), (20, 10566412), (31, 6817040), (40, 5283206), (62, 3408520), (80, 2641603), (124, 1704260), (155, 1363408), (248, 852130), (310, 681704), (496, 426065), (620, 340852), (1240, 170426), (2480, 85213)]