305787430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 614210688

約数和(自身を除く): 308423258

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 103, 130, 205, 206, 410, 515, 533, 557, 1030, 1066, 1114, 1339, 2665, 2678, 2785, 4223, 5330, 5570, 6695, 7241, 8446, 13390, 14482, 21115, 22837, 36205, 42230, 45674, 54899, 57371, 72410, 109798, 114185, 114742, 228370, 274495, 286855, 296881, 548990, 573710, 593762, 745823, 1484405, 1491646, 2352211, 2968810, 3729115, 4704422, 7458230, 11761055, 23522110, 30578743, 61157486, 152893715, 305787430]

約数ペア:

[(1, 305787430), (2, 152893715), (5, 61157486), (10, 30578743), (13, 23522110), (26, 11761055), (41, 7458230), (65, 4704422), (82, 3729115), (103, 2968810), (130, 2352211), (205, 1491646), (206, 1484405), (410, 745823), (515, 593762), (533, 573710), (557, 548990), (1030, 296881), (1066, 286855), (1114, 274495), (1339, 228370), (2665, 114742), (2678, 114185), (2785, 109798), (4223, 72410), (5330, 57371), (5570, 54899), (6695, 45674), (7241, 42230), (8446, 36205), (13390, 22837), (14482, 21115)]