2019900930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{1361}}^1$

素因数の和:2243

約数の個数: 64

約数和(自身を含む): 4936934016

約数和(自身を除く): 2917033086

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 811, 915, 1361, 1622, 1830, 2433, 2722, 4055, 4083, 4866, 6805, 8110, 8166, 12165, 13610, 20415, 24330, 40830, 49471, 83021, 98942, 148413, 166042, 247355, 249063, 296826, 415105, 494710, 498126, 742065, 830210, 1103771, 1245315, 1484130, 2207542, 2490630, 3311313, 5518855, 6622626, 11037710, 16556565, 33113130, 67330031, 134660062, 201990093, 336650155, 403980186, 673300310, 1009950465, 2019900930]

約数ペア:

[(1, 2019900930), (2, 1009950465), (3, 673300310), (5, 403980186), (6, 336650155), (10, 201990093), (15, 134660062), (30, 67330031), (61, 33113130), (122, 16556565), (183, 11037710), (305, 6622626), (366, 5518855), (610, 3311313), (811, 2490630), (915, 2207542), (1361, 1484130), (1622, 1245315), (1830, 1103771), (2433, 830210), (2722, 742065), (4055, 498126), (4083, 494710), (4866, 415105), (6805, 296826), (8110, 249063), (8166, 247355), (12165, 166042), (13610, 148413), (20415, 98942), (24330, 83021), (40830, 49471)]