661252900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 216

約数和(自身を含む): 1860033728

約数和(自身を除く): 1198780828

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 37, 44, 50, 55, 70, 74, 77, 100, 110, 121, 140, 148, 154, 175, 185, 211, 220, 242, 259, 275, 308, 350, 370, 385, 407, 422, 484, 518, 550, 605, 700, 740, 770, 814, 844, 847, 925, 1036, 1055, 1100, 1210, 1295, 1477, 1540, 1628, 1694, 1850, 1925, 2035, 2110, 2321, 2420, 2590, 2849, 2954, 3025, 3388, 3700, 3850, 4070, 4220, 4235, 4477, 4642, 5180, 5275, 5698, 5908, 6050, 6475, 7385, 7700, 7807, 8140, 8470, 8954, 9284, 10175, 10550, 11396, 11605, 12100, 12950, 14245, 14770, 15614, 16247, 16940, 17908, 20350, 21100, 21175, 22385, 23210, 25531, 25900, 28490, 29540, 31228, 31339, 32494, 36925, 39035, 40700, 42350, 44770, 46420, 51062, 54649, 56980, 58025, 62678, 64988, 71225, 73850, 78070, 81235, 84700, 85877, 89540, 102124, 109298, 111925, 116050, 125356, 127655, 142450, 147700, 156140, 156695, 162470, 171754, 178717, 195175, 218596, 223850, 232100, 255310, 273245, 284900, 313390, 324940, 343508, 357434, 390350, 406175, 429385, 447700, 510620, 546490, 601139, 626780, 638275, 714868, 780700, 783475, 812350, 858770, 893585, 944647, 1092980, 1202278, 1276550, 1366225, 1566950, 1624700, 1717540, 1787170, 1889294, 2146925, 2404556, 2553100, 2732450, 3005695, 3133900, 3574340, 3778588, 4293850, 4467925, 4723235, 5464900, 6011390, 6612529, 8587700, 8935850, 9446470, 12022780, 13225058, 15028475, 17871700, 18892940, 23616175, 26450116, 30056950, 33062645, 47232350, 60113900, 66125290, 94464700, 132250580, 165313225, 330626450, 661252900]

約数ペア:

[(1, 661252900), (2, 330626450), (4, 165313225), (5, 132250580), (7, 94464700), (10, 66125290), (11, 60113900), (14, 47232350), (20, 33062645), (22, 30056950), (25, 26450116), (28, 23616175), (35, 18892940), (37, 17871700), (44, 15028475), (50, 13225058), (55, 12022780), (70, 9446470), (74, 8935850), (77, 8587700), (100, 6612529), (110, 6011390), (121, 5464900), (140, 4723235), (148, 4467925), (154, 4293850), (175, 3778588), (185, 3574340), (211, 3133900), (220, 3005695), (242, 2732450), (259, 2553100), (275, 2404556), (308, 2146925), (350, 1889294), (370, 1787170), (385, 1717540), (407, 1624700), (422, 1566950), (484, 1366225), (518, 1276550), (550, 1202278), (605, 1092980), (700, 944647), (740, 893585), (770, 858770), (814, 812350), (844, 783475), (847, 780700), (925, 714868), (1036, 638275), (1055, 626780), (1100, 601139), (1210, 546490), (1295, 510620), (1477, 447700), (1540, 429385), (1628, 406175), (1694, 390350), (1850, 357434), (1925, 343508), (2035, 324940), (2110, 313390), (2321, 284900), (2420, 273245), (2590, 255310), (2849, 232100), (2954, 223850), (3025, 218596), (3388, 195175), (3700, 178717), (3850, 171754), (4070, 162470), (4220, 156695), (4235, 156140), (4477, 147700), (4642, 142450), (5180, 127655), (5275, 125356), (5698, 116050), (5908, 111925), (6050, 109298), (6475, 102124), (7385, 89540), (7700, 85877), (7807, 84700), (8140, 81235), (8470, 78070), (8954, 73850), (9284, 71225), (10175, 64988), (10550, 62678), (11396, 58025), (11605, 56980), (12100, 54649), (12950, 51062), (14245, 46420), (14770, 44770), (15614, 42350), (16247, 40700), (16940, 39035), (17908, 36925), (20350, 32494), (21100, 31339), (21175, 31228), (22385, 29540), (23210, 28490), (25531, 25900)]