917777740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{1499}}^1$

素因数の和:1564

約数の個数: 96

約数和(自身を含む): 2213568000

約数和(自身を除く): 1295790260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 1331, 1499, 2420, 2530, 2662, 2783, 2998, 5060, 5324, 5566, 5996, 6655, 7495, 11132, 13310, 13915, 14990, 16489, 26620, 27830, 29980, 30613, 32978, 34477, 55660, 61226, 65956, 68954, 82445, 122452, 137908, 153065, 164890, 172385, 181379, 306130, 329780, 344770, 362758, 379247, 612260, 689540, 725516, 758494, 906895, 1516988, 1813790, 1896235, 1995169, 3627580, 3792470, 3990338, 4171717, 7584940, 7980676, 8343434, 9975845, 16686868, 19951690, 20858585, 39903380, 41717170, 45888887, 83434340, 91777774, 183555548, 229444435, 458888870, 917777740]

約数ペア:

[(1, 917777740), (2, 458888870), (4, 229444435), (5, 183555548), (10, 91777774), (11, 83434340), (20, 45888887), (22, 41717170), (23, 39903380), (44, 20858585), (46, 19951690), (55, 16686868), (92, 9975845), (110, 8343434), (115, 7980676), (121, 7584940), (220, 4171717), (230, 3990338), (242, 3792470), (253, 3627580), (460, 1995169), (484, 1896235), (506, 1813790), (605, 1516988), (1012, 906895), (1210, 758494), (1265, 725516), (1331, 689540), (1499, 612260), (2420, 379247), (2530, 362758), (2662, 344770), (2783, 329780), (2998, 306130), (5060, 181379), (5324, 172385), (5566, 164890), (5996, 153065), (6655, 137908), (7495, 122452), (11132, 82445), (13310, 68954), (13915, 65956), (14990, 61226), (16489, 55660), (26620, 34477), (27830, 32978), (29980, 30613)]