251813100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{991}}^1$

素因数の和:1037

約数の個数: 216

約数和(自身を含む): 916163584

約数和(自身を除く): 664350484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 121, 132, 140, 150, 154, 165, 175, 210, 220, 231, 242, 275, 300, 308, 330, 350, 363, 385, 420, 462, 484, 525, 550, 605, 660, 700, 726, 770, 825, 847, 924, 991, 1050, 1100, 1155, 1210, 1452, 1540, 1650, 1694, 1815, 1925, 1982, 2100, 2310, 2420, 2541, 2973, 3025, 3300, 3388, 3630, 3850, 3964, 4235, 4620, 4955, 5082, 5775, 5946, 6050, 6937, 7260, 7700, 8470, 9075, 9910, 10164, 10901, 11550, 11892, 12100, 12705, 13874, 14865, 16940, 18150, 19820, 20811, 21175, 21802, 23100, 24775, 25410, 27748, 29730, 32703, 34685, 36300, 41622, 42350, 43604, 49550, 50820, 54505, 59460, 63525, 65406, 69370, 74325, 76307, 83244, 84700, 99100, 104055, 109010, 119911, 127050, 130812, 138740, 148650, 152614, 163515, 173425, 208110, 218020, 228921, 239822, 254100, 272525, 297300, 305228, 327030, 346850, 359733, 381535, 416220, 457842, 479644, 520275, 545050, 599555, 654060, 693700, 719466, 763070, 817575, 839377, 915684, 1040550, 1090100, 1144605, 1199110, 1438932, 1526140, 1635150, 1678754, 1798665, 1907675, 2081100, 2289210, 2398220, 2518131, 2997775, 3270300, 3357508, 3597330, 3815350, 4196885, 4578420, 5036262, 5723025, 5995550, 7194660, 7630700, 8393770, 8993325, 10072524, 11446050, 11991100, 12590655, 16787540, 17986650, 20984425, 22892100, 25181310, 35973300, 41968850, 50362620, 62953275, 83937700, 125906550, 251813100]

約数ペア:

[(1, 251813100), (2, 125906550), (3, 83937700), (4, 62953275), (5, 50362620), (6, 41968850), (7, 35973300), (10, 25181310), (11, 22892100), (12, 20984425), (14, 17986650), (15, 16787540), (20, 12590655), (21, 11991100), (22, 11446050), (25, 10072524), (28, 8993325), (30, 8393770), (33, 7630700), (35, 7194660), (42, 5995550), (44, 5723025), (50, 5036262), (55, 4578420), (60, 4196885), (66, 3815350), (70, 3597330), (75, 3357508), (77, 3270300), (84, 2997775), (100, 2518131), (105, 2398220), (110, 2289210), (121, 2081100), (132, 1907675), (140, 1798665), (150, 1678754), (154, 1635150), (165, 1526140), (175, 1438932), (210, 1199110), (220, 1144605), (231, 1090100), (242, 1040550), (275, 915684), (300, 839377), (308, 817575), (330, 763070), (350, 719466), (363, 693700), (385, 654060), (420, 599555), (462, 545050), (484, 520275), (525, 479644), (550, 457842), (605, 416220), (660, 381535), (700, 359733), (726, 346850), (770, 327030), (825, 305228), (847, 297300), (924, 272525), (991, 254100), (1050, 239822), (1100, 228921), (1155, 218020), (1210, 208110), (1452, 173425), (1540, 163515), (1650, 152614), (1694, 148650), (1815, 138740), (1925, 130812), (1982, 127050), (2100, 119911), (2310, 109010), (2420, 104055), (2541, 99100), (2973, 84700), (3025, 83244), (3300, 76307), (3388, 74325), (3630, 69370), (3850, 65406), (3964, 63525), (4235, 59460), (4620, 54505), (4955, 50820), (5082, 49550), (5775, 43604), (5946, 42350), (6050, 41622), (6937, 36300), (7260, 34685), (7700, 32703), (8470, 29730), (9075, 27748), (9910, 25410), (10164, 24775), (10901, 23100), (11550, 21802), (11892, 21175), (12100, 20811), (12705, 19820), (13874, 18150), (14865, 16940)]