201977710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1081

約数の個数: 64

約数和(自身を含む): 416544768

約数和(自身を除く): 214567058

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 61, 62, 110, 122, 155, 305, 310, 341, 610, 671, 682, 971, 1342, 1705, 1891, 1942, 3355, 3410, 3782, 4855, 6710, 9455, 9710, 10681, 18910, 20801, 21362, 30101, 41602, 53405, 59231, 60202, 104005, 106810, 118462, 150505, 208010, 296155, 301010, 331111, 592310, 651541, 662222, 1303082, 1655555, 1836161, 3257705, 3311110, 3672322, 6515410, 9180805, 18361610, 20197771, 40395542, 100988855, 201977710]

約数ペア:

[(1, 201977710), (2, 100988855), (5, 40395542), (10, 20197771), (11, 18361610), (22, 9180805), (31, 6515410), (55, 3672322), (61, 3311110), (62, 3257705), (110, 1836161), (122, 1655555), (155, 1303082), (305, 662222), (310, 651541), (341, 592310), (610, 331111), (671, 301010), (682, 296155), (971, 208010), (1342, 150505), (1705, 118462), (1891, 106810), (1942, 104005), (3355, 60202), (3410, 59231), (3782, 53405), (4855, 41602), (6710, 30101), (9455, 21362), (9710, 20801), (10681, 18910)]