720908104

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:958

約数の個数: 64

約数和(自身を含む): 1570440960

約数和(自身を除く): 849532856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 197, 202, 394, 404, 647, 707, 788, 808, 1294, 1379, 1414, 1576, 2588, 2758, 2828, 4529, 5176, 5516, 5656, 9058, 11032, 18116, 19897, 36232, 39794, 65347, 79588, 127459, 130694, 139279, 159176, 254918, 261388, 278558, 457429, 509836, 522776, 557116, 892213, 914858, 1019672, 1114232, 1784426, 1829716, 3568852, 3659432, 7137704, 12873359, 25746718, 51493436, 90113513, 102986872, 180227026, 360454052, 720908104]

約数ペア:

[(1, 720908104), (2, 360454052), (4, 180227026), (7, 102986872), (8, 90113513), (14, 51493436), (28, 25746718), (56, 12873359), (101, 7137704), (197, 3659432), (202, 3568852), (394, 1829716), (404, 1784426), (647, 1114232), (707, 1019672), (788, 914858), (808, 892213), (1294, 557116), (1379, 522776), (1414, 509836), (1576, 457429), (2588, 278558), (2758, 261388), (2828, 254918), (4529, 159176), (5176, 139279), (5516, 130694), (5656, 127459), (9058, 79588), (11032, 65347), (18116, 39794), (19897, 36232)]