210006005680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{646411}}^1$

素因数の和:646586

約数の個数: 80

約数和(自身を含む): 507862637568

約数和(自身を除く): 297856631888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 131, 155, 248, 262, 310, 496, 524, 620, 655, 1048, 1240, 1310, 2096, 2480, 2620, 4061, 5240, 8122, 10480, 16244, 20305, 32488, 40610, 64976, 81220, 162440, 324880, 646411, 1292822, 2585644, 3232055, 5171288, 6464110, 10342576, 12928220, 20038741, 25856440, 40077482, 51712880, 80154964, 84679841, 100193705, 160309928, 169359682, 200387410, 320619856, 338719364, 400774820, 423399205, 677438728, 801549640, 846798410, 1354877456, 1603099280, 1693596820, 2625075071, 3387193640, 5250150142, 6774387280, 10500300284, 13125375355, 21000600568, 26250750710, 42001201136, 52501501420, 105003002840, 210006005680]

約数ペア:

[(1, 210006005680), (2, 105003002840), (4, 52501501420), (5, 42001201136), (8, 26250750710), (10, 21000600568), (16, 13125375355), (20, 10500300284), (31, 6774387280), (40, 5250150142), (62, 3387193640), (80, 2625075071), (124, 1693596820), (131, 1603099280), (155, 1354877456), (248, 846798410), (262, 801549640), (310, 677438728), (496, 423399205), (524, 400774820), (620, 338719364), (655, 320619856), (1048, 200387410), (1240, 169359682), (1310, 160309928), (2096, 100193705), (2480, 84679841), (2620, 80154964), (4061, 51712880), (5240, 40077482), (8122, 25856440), (10480, 20038741), (16244, 12928220), (20305, 10342576), (32488, 6464110), (40610, 5171288), (64976, 3232055), (81220, 2585644), (162440, 1292822), (324880, 646411)]