71388990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3557}}^1$

素因数の和:3793

約数の個数: 48

約数和(自身を含む): 186496128

約数和(自身を除く): 115107138

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1115, 1338, 2007, 2230, 3345, 3557, 4014, 6690, 7114, 10035, 10671, 17785, 20070, 21342, 32013, 35570, 53355, 64026, 106710, 160065, 320130, 793211, 1586422, 2379633, 3966055, 4759266, 7138899, 7932110, 11898165, 14277798, 23796330, 35694495, 71388990]

約数ペア:

[(1, 71388990), (2, 35694495), (3, 23796330), (5, 14277798), (6, 11898165), (9, 7932110), (10, 7138899), (15, 4759266), (18, 3966055), (30, 2379633), (45, 1586422), (90, 793211), (223, 320130), (446, 160065), (669, 106710), (1115, 64026), (1338, 53355), (2007, 35570), (2230, 32013), (3345, 21342), (3557, 20070), (4014, 17785), (6690, 10671), (7114, 10035)]