989103628780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{883}}^1\times {\mathrm{1867}}^1$

素因数の和:3119

約数の個数: 96

約数和(自身を含む): 2105620957440

約数和(自身を除く): 1116517328660

約数列:

[1, 2, 4, 5, 10, 20, 131, 229, 262, 458, 524, 655, 883, 916, 1145, 1310, 1766, 1867, 2290, 2620, 3532, 3734, 4415, 4580, 7468, 8830, 9335, 17660, 18670, 29999, 37340, 59998, 115673, 119996, 149995, 202207, 231346, 244577, 299990, 404414, 427543, 462692, 489154, 578365, 599980, 808828, 855086, 978308, 1011035, 1156730, 1222885, 1648561, 1710172, 2022070, 2137715, 2313460, 2445770, 3297122, 4044140, 4275430, 4891540, 6594244, 8242805, 8550860, 16485610, 26489117, 32971220, 52978234, 56008133, 105956468, 112016266, 132445585, 215961491, 224032532, 264891170, 280040665, 377520469, 431922982, 529782340, 560081330, 755040938, 863845964, 1079807455, 1120162660, 1510081876, 1887602345, 2159614910, 3775204690, 4319229820, 7550409380, 49455181439, 98910362878, 197820725756, 247275907195, 494551814390, 989103628780]

約数ペア:

[(1, 989103628780), (2, 494551814390), (4, 247275907195), (5, 197820725756), (10, 98910362878), (20, 49455181439), (131, 7550409380), (229, 4319229820), (262, 3775204690), (458, 2159614910), (524, 1887602345), (655, 1510081876), (883, 1120162660), (916, 1079807455), (1145, 863845964), (1310, 755040938), (1766, 560081330), (1867, 529782340), (2290, 431922982), (2620, 377520469), (3532, 280040665), (3734, 264891170), (4415, 224032532), (4580, 215961491), (7468, 132445585), (8830, 112016266), (9335, 105956468), (17660, 56008133), (18670, 52978234), (29999, 32971220), (37340, 26489117), (59998, 16485610), (115673, 8550860), (119996, 8242805), (149995, 6594244), (202207, 4891540), (231346, 4275430), (244577, 4044140), (299990, 3297122), (404414, 2445770), (427543, 2313460), (462692, 2137715), (489154, 2022070), (578365, 1710172), (599980, 1648561), (808828, 1222885), (855086, 1156730), (978308, 1011035)]