99689870900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{77417}}^1$

素因数の和:77673

約数の個数: 72

約数和(自身を含む): 220412142720

約数和(自身を除く): 120722271820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 163, 316, 326, 395, 652, 790, 815, 1580, 1630, 1975, 3260, 3950, 4075, 7900, 8150, 12877, 16300, 25754, 51508, 64385, 77417, 128770, 154834, 257540, 309668, 321925, 387085, 643850, 774170, 1287700, 1548340, 1935425, 3870850, 6115943, 7741700, 12231886, 12618971, 24463772, 25237942, 30579715, 50475884, 61159430, 63094855, 122318860, 126189710, 152898575, 252379420, 305797150, 315474275, 611594300, 630948550, 996898709, 1261897100, 1993797418, 3987594836, 4984493545, 9968987090, 19937974180, 24922467725, 49844935450, 99689870900]

約数ペア:

[(1, 99689870900), (2, 49844935450), (4, 24922467725), (5, 19937974180), (10, 9968987090), (20, 4984493545), (25, 3987594836), (50, 1993797418), (79, 1261897100), (100, 996898709), (158, 630948550), (163, 611594300), (316, 315474275), (326, 305797150), (395, 252379420), (652, 152898575), (790, 126189710), (815, 122318860), (1580, 63094855), (1630, 61159430), (1975, 50475884), (3260, 30579715), (3950, 25237942), (4075, 24463772), (7900, 12618971), (8150, 12231886), (12877, 7741700), (16300, 6115943), (25754, 3870850), (51508, 1935425), (64385, 1548340), (77417, 1287700), (128770, 774170), (154834, 643850), (257540, 387085), (309668, 321925)]