129721900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 144

約数和(自身を含む): 371976192

約数和(自身を除く): 242254292

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 425, 476, 550, 595, 700, 748, 770, 850, 935, 991, 1100, 1190, 1309, 1540, 1700, 1870, 1925, 1982, 2380, 2618, 2975, 3740, 3850, 3964, 4675, 4955, 5236, 5950, 6545, 6937, 7700, 9350, 9910, 10901, 11900, 13090, 13874, 16847, 18700, 19820, 21802, 24775, 26180, 27748, 32725, 33694, 34685, 43604, 49550, 54505, 65450, 67388, 69370, 76307, 84235, 99100, 109010, 117929, 130900, 138740, 152614, 168470, 173425, 185317, 218020, 235858, 272525, 305228, 336940, 346850, 370634, 381535, 421175, 471716, 545050, 589645, 693700, 741268, 763070, 842350, 926585, 1090100, 1179290, 1297219, 1526140, 1684700, 1853170, 1907675, 2358580, 2594438, 2948225, 3706340, 3815350, 4632925, 5188876, 5896450, 6486095, 7630700, 9265850, 11792900, 12972190, 18531700, 25944380, 32430475, 64860950, 129721900]

約数ペア:

[(1, 129721900), (2, 64860950), (4, 32430475), (5, 25944380), (7, 18531700), (10, 12972190), (11, 11792900), (14, 9265850), (17, 7630700), (20, 6486095), (22, 5896450), (25, 5188876), (28, 4632925), (34, 3815350), (35, 3706340), (44, 2948225), (50, 2594438), (55, 2358580), (68, 1907675), (70, 1853170), (77, 1684700), (85, 1526140), (100, 1297219), (110, 1179290), (119, 1090100), (140, 926585), (154, 842350), (170, 763070), (175, 741268), (187, 693700), (220, 589645), (238, 545050), (275, 471716), (308, 421175), (340, 381535), (350, 370634), (374, 346850), (385, 336940), (425, 305228), (476, 272525), (550, 235858), (595, 218020), (700, 185317), (748, 173425), (770, 168470), (850, 152614), (935, 138740), (991, 130900), (1100, 117929), (1190, 109010), (1309, 99100), (1540, 84235), (1700, 76307), (1870, 69370), (1925, 67388), (1982, 65450), (2380, 54505), (2618, 49550), (2975, 43604), (3740, 34685), (3850, 33694), (3964, 32725), (4675, 27748), (4955, 26180), (5236, 24775), (5950, 21802), (6545, 19820), (6937, 18700), (7700, 16847), (9350, 13874), (9910, 13090), (10901, 11900)]