About the Number

488996970

488996969 ← → 488996971

2進数表記:11101001001011000000001101010

漢数字表記:四億八千八百九十九万六千九百七十

素因数分解:

2 1 × 3 1 × 5 1 × 7 2 × 11 1 × 30241 1

素因数の和:30276
約数の個数: 96
約数和(自身を含む): 1489358016
約数和(自身を除く): 1000361046

約数列:
[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 147, 154, 165, 210, 231, 245, 294, 330, 385, 462, 490, 539, 735, 770, 1078, 1155, 1470, 1617, 2310, 2695, 3234, 5390, 8085, 16170, 30241, 60482, 90723, 151205, 181446, 211687, 302410, 332651, 423374, 453615, 635061, 665302, 907230, 997953, 1058435, 1270122, 1481809, 1663255, 1995906, 2116870, 2328557, 2963618, 3175305, 3326510, 4445427, 4657114, 4989765, 6350610, 6985671, 7409045, 8890854, 9979530, 11642785, 13971342, 14818090, 16299899, 22227135, 23285570, 32599798, 34928355, 44454270, 48899697, 69856710, 81499495, 97799394, 162998990, 244498485, 488996970]

約数ペア:
[(1, 488996970), (2, 244498485), (3, 162998990), (5, 97799394), (6, 81499495), (7, 69856710), (10, 48899697), (11, 44454270), (14, 34928355), (15, 32599798), (21, 23285570), (22, 22227135), (30, 16299899), (33, 14818090), (35, 13971342), (42, 11642785), (49, 9979530), (55, 8890854), (66, 7409045), (70, 6985671), (77, 6350610), (98, 4989765), (105, 4657114), (110, 4445427), (147, 3326510), (154, 3175305), (165, 2963618), (210, 2328557), (231, 2116870), (245, 1995906), (294, 1663255), (330, 1481809), (385, 1270122), (462, 1058435), (490, 997953), (539, 907230), (735, 665302), (770, 635061), (1078, 453615), (1155, 423374), (1470, 332651), (1617, 302410), (2310, 211687), (2695, 181446), (3234, 151205), (5390, 90723), (8085, 60482), (16170, 30241)]

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