161234500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{6581}}^1$

素因数の和:6614

約数の個数: 72

約数和(自身を含む): 409690008

約数和(自身を除く): 248455508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 6125, 6581, 12250, 13162, 24500, 26324, 32905, 46067, 65810, 92134, 131620, 164525, 184268, 230335, 322469, 329050, 460670, 644938, 658100, 822625, 921340, 1151675, 1289876, 1612345, 1645250, 2303350, 3224690, 3290500, 4606700, 5758375, 6449380, 8061725, 11516750, 16123450, 23033500, 32246900, 40308625, 80617250, 161234500]

約数ペア:

[(1, 161234500), (2, 80617250), (4, 40308625), (5, 32246900), (7, 23033500), (10, 16123450), (14, 11516750), (20, 8061725), (25, 6449380), (28, 5758375), (35, 4606700), (49, 3290500), (50, 3224690), (70, 2303350), (98, 1645250), (100, 1612345), (125, 1289876), (140, 1151675), (175, 921340), (196, 822625), (245, 658100), (250, 644938), (350, 460670), (490, 329050), (500, 322469), (700, 230335), (875, 184268), (980, 164525), (1225, 131620), (1750, 92134), (2450, 65810), (3500, 46067), (4900, 32905), (6125, 26324), (6581, 24500), (12250, 13162)]