420587648

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 971611200

約数和(自身を除く): 551023552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 53, 64, 76, 104, 106, 128, 152, 208, 212, 247, 251, 304, 416, 424, 494, 502, 608, 689, 832, 848, 988, 1004, 1007, 1216, 1378, 1664, 1696, 1976, 2008, 2014, 2432, 2756, 3263, 3392, 3952, 4016, 4028, 4769, 5512, 6526, 6784, 7904, 8032, 8056, 9538, 11024, 13052, 13091, 13303, 15808, 16064, 16112, 19076, 22048, 26104, 26182, 26606, 31616, 32128, 32224, 38152, 44096, 52208, 52364, 53212, 61997, 64448, 76304, 88192, 104416, 104728, 106424, 123994, 128896, 152608, 172939, 208832, 209456, 212848, 247988, 252757, 305216, 345878, 417664, 418912, 425696, 495976, 505514, 610432, 691756, 837824, 851392, 991952, 1011028, 1383512, 1675648, 1702784, 1983904, 2022056, 2767024, 3285841, 3967808, 4044112, 5534048, 6571682, 7935616, 8088224, 11068096, 13143364, 16176448, 22136192, 26286728, 32352896, 52573456, 105146912, 210293824, 420587648]

約数ペア:

[(1, 420587648), (2, 210293824), (4, 105146912), (8, 52573456), (13, 32352896), (16, 26286728), (19, 22136192), (26, 16176448), (32, 13143364), (38, 11068096), (52, 8088224), (53, 7935616), (64, 6571682), (76, 5534048), (104, 4044112), (106, 3967808), (128, 3285841), (152, 2767024), (208, 2022056), (212, 1983904), (247, 1702784), (251, 1675648), (304, 1383512), (416, 1011028), (424, 991952), (494, 851392), (502, 837824), (608, 691756), (689, 610432), (832, 505514), (848, 495976), (988, 425696), (1004, 418912), (1007, 417664), (1216, 345878), (1378, 305216), (1664, 252757), (1696, 247988), (1976, 212848), (2008, 209456), (2014, 208832), (2432, 172939), (2756, 152608), (3263, 128896), (3392, 123994), (3952, 106424), (4016, 104728), (4028, 104416), (4769, 88192), (5512, 76304), (6526, 64448), (6784, 61997), (7904, 53212), (8032, 52364), (8056, 52208), (9538, 44096), (11024, 38152), (13052, 32224), (13091, 32128), (13303, 31616), (15808, 26606), (16064, 26182), (16112, 26104), (19076, 22048)]