420179956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 937440000

約数和(自身を除く): 517260044

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 61, 68, 116, 119, 122, 203, 238, 244, 406, 427, 476, 493, 499, 812, 854, 986, 998, 1037, 1708, 1769, 1972, 1996, 2074, 3451, 3493, 3538, 4148, 6902, 6986, 7076, 7259, 8483, 12383, 13804, 13972, 14471, 14518, 16966, 24766, 28942, 29036, 30073, 30439, 33932, 49532, 57884, 59381, 60146, 60878, 101297, 118762, 120292, 121756, 202594, 210511, 213073, 237524, 246007, 405188, 421022, 426146, 492014, 517463, 842044, 852292, 882731, 984028, 1034926, 1722049, 1765462, 2069852, 3444098, 3530924, 3622241, 6179117, 6888196, 7244482, 12358234, 14488964, 15006427, 24716468, 30012854, 60025708, 105044989, 210089978, 420179956]

約数ペア:

[(1, 420179956), (2, 210089978), (4, 105044989), (7, 60025708), (14, 30012854), (17, 24716468), (28, 15006427), (29, 14488964), (34, 12358234), (58, 7244482), (61, 6888196), (68, 6179117), (116, 3622241), (119, 3530924), (122, 3444098), (203, 2069852), (238, 1765462), (244, 1722049), (406, 1034926), (427, 984028), (476, 882731), (493, 852292), (499, 842044), (812, 517463), (854, 492014), (986, 426146), (998, 421022), (1037, 405188), (1708, 246007), (1769, 237524), (1972, 213073), (1996, 210511), (2074, 202594), (3451, 121756), (3493, 120292), (3538, 118762), (4148, 101297), (6902, 60878), (6986, 60146), (7076, 59381), (7259, 57884), (8483, 49532), (12383, 33932), (13804, 30439), (13972, 30073), (14471, 29036), (14518, 28942), (16966, 24766)]