201940820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{8803}}^1$

素因数の和:8880

約数の個数: 48

約数和(自身を含む): 449637888

約数和(自身を除く): 247697068

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 8803, 11470, 17606, 22940, 35212, 44015, 88030, 176060, 272893, 325711, 545786, 651422, 1091572, 1302844, 1364465, 1628555, 2728930, 3257110, 5457860, 6514220, 10097041, 20194082, 40388164, 50485205, 100970410, 201940820]

約数ペア:

[(1, 201940820), (2, 100970410), (4, 50485205), (5, 40388164), (10, 20194082), (20, 10097041), (31, 6514220), (37, 5457860), (62, 3257110), (74, 2728930), (124, 1628555), (148, 1364465), (155, 1302844), (185, 1091572), (310, 651422), (370, 545786), (620, 325711), (740, 272893), (1147, 176060), (2294, 88030), (4588, 44015), (5735, 35212), (8803, 22940), (11470, 17606)]