201217940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:897

約数の個数: 96

約数和(自身を含む): 530337024

約数和(自身を除く): 329119084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 193, 220, 308, 385, 386, 677, 770, 772, 965, 1351, 1354, 1540, 1930, 2123, 2702, 2708, 3385, 3860, 4246, 4739, 5404, 6755, 6770, 7447, 8492, 9478, 10615, 13510, 13540, 14861, 14894, 18956, 21230, 23695, 27020, 29722, 29788, 37235, 42460, 47390, 52129, 59444, 74305, 74470, 94780, 104258, 130661, 148610, 148940, 208516, 260645, 261322, 297220, 521290, 522644, 653305, 914627, 1042580, 1306610, 1437271, 1829254, 2613220, 2874542, 3658508, 4573135, 5749084, 7186355, 9146270, 10060897, 14372710, 18292540, 20121794, 28745420, 40243588, 50304485, 100608970, 201217940]

約数ペア:

[(1, 201217940), (2, 100608970), (4, 50304485), (5, 40243588), (7, 28745420), (10, 20121794), (11, 18292540), (14, 14372710), (20, 10060897), (22, 9146270), (28, 7186355), (35, 5749084), (44, 4573135), (55, 3658508), (70, 2874542), (77, 2613220), (110, 1829254), (140, 1437271), (154, 1306610), (193, 1042580), (220, 914627), (308, 653305), (385, 522644), (386, 521290), (677, 297220), (770, 261322), (772, 260645), (965, 208516), (1351, 148940), (1354, 148610), (1540, 130661), (1930, 104258), (2123, 94780), (2702, 74470), (2708, 74305), (3385, 59444), (3860, 52129), (4246, 47390), (4739, 42460), (5404, 37235), (6755, 29788), (6770, 29722), (7447, 27020), (8492, 23695), (9478, 21230), (10615, 18956), (13510, 14894), (13540, 14861)]