823304860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{5351}}^1$

素因数の和:5531

約数の個数: 72

約数和(自身を含む): 2024404704

約数和(自身を除く): 1201099844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 980, 1099, 1570, 2198, 3140, 4396, 5351, 5495, 7693, 10702, 10990, 15386, 21404, 21980, 26755, 30772, 37457, 38465, 53510, 74914, 76930, 107020, 149828, 153860, 187285, 262199, 374570, 524398, 749140, 840107, 1048796, 1310995, 1680214, 2621990, 3360428, 4200535, 5243980, 5880749, 8401070, 11761498, 16802140, 23522996, 29403745, 41165243, 58807490, 82330486, 117614980, 164660972, 205826215, 411652430, 823304860]

約数ペア:

[(1, 823304860), (2, 411652430), (4, 205826215), (5, 164660972), (7, 117614980), (10, 82330486), (14, 58807490), (20, 41165243), (28, 29403745), (35, 23522996), (49, 16802140), (70, 11761498), (98, 8401070), (140, 5880749), (157, 5243980), (196, 4200535), (245, 3360428), (314, 2621990), (490, 1680214), (628, 1310995), (785, 1048796), (980, 840107), (1099, 749140), (1570, 524398), (2198, 374570), (3140, 262199), (4396, 187285), (5351, 153860), (5495, 149828), (7693, 107020), (10702, 76930), (10990, 74914), (15386, 53510), (21404, 38465), (21980, 37457), (26755, 30772)]