99870100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 238297248

約数和(自身を除く): 138427148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 163, 220, 275, 326, 550, 557, 652, 815, 1100, 1114, 1630, 1793, 2228, 2785, 3260, 3586, 4075, 5570, 6127, 7172, 8150, 8965, 11140, 12254, 13925, 16300, 17930, 24508, 27850, 30635, 35860, 44825, 55700, 61270, 89650, 90791, 122540, 153175, 179300, 181582, 306350, 363164, 453955, 612700, 907910, 998701, 1815820, 1997402, 2269775, 3994804, 4539550, 4993505, 9079100, 9987010, 19974020, 24967525, 49935050, 99870100]

約数ペア:

[(1, 99870100), (2, 49935050), (4, 24967525), (5, 19974020), (10, 9987010), (11, 9079100), (20, 4993505), (22, 4539550), (25, 3994804), (44, 2269775), (50, 1997402), (55, 1815820), (100, 998701), (110, 907910), (163, 612700), (220, 453955), (275, 363164), (326, 306350), (550, 181582), (557, 179300), (652, 153175), (815, 122540), (1100, 90791), (1114, 89650), (1630, 61270), (1793, 55700), (2228, 44825), (2785, 35860), (3260, 30635), (3586, 27850), (4075, 24508), (5570, 17930), (6127, 16300), (7172, 13925), (8150, 12254), (8965, 11140)]