512113780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2245

約数の個数: 72

約数和(自身を含む): 1170826776

約数和(自身を除く): 658712996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 289, 340, 410, 578, 697, 820, 1156, 1394, 1445, 2161, 2788, 2890, 3485, 4322, 5780, 6970, 8644, 10805, 11849, 13940, 21610, 23698, 36737, 43220, 47396, 59245, 73474, 88601, 118490, 146948, 177202, 183685, 236980, 354404, 367370, 443005, 624529, 734740, 886010, 1249058, 1506217, 1772020, 2498116, 3012434, 3122645, 6024868, 6245290, 7531085, 12490580, 15062170, 25605689, 30124340, 51211378, 102422756, 128028445, 256056890, 512113780]

約数ペア:

[(1, 512113780), (2, 256056890), (4, 128028445), (5, 102422756), (10, 51211378), (17, 30124340), (20, 25605689), (34, 15062170), (41, 12490580), (68, 7531085), (82, 6245290), (85, 6024868), (164, 3122645), (170, 3012434), (205, 2498116), (289, 1772020), (340, 1506217), (410, 1249058), (578, 886010), (697, 734740), (820, 624529), (1156, 443005), (1394, 367370), (1445, 354404), (2161, 236980), (2788, 183685), (2890, 177202), (3485, 146948), (4322, 118490), (5780, 88601), (6970, 73474), (8644, 59245), (10805, 47396), (11849, 43220), (13940, 36737), (21610, 23698)]