2013210325

素因数分解:

$5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 2992308480

約数和(自身を除く): 979098155

約数列:

[1, 5, 7, 25, 35, 49, 71, 79, 175, 245, 293, 355, 395, 497, 553, 1225, 1465, 1775, 1975, 2051, 2485, 2765, 3479, 3871, 5609, 7325, 10255, 12425, 13825, 14357, 17395, 19355, 20803, 23147, 28045, 39263, 51275, 71785, 86975, 96775, 104015, 115735, 140225, 145621, 162029, 196315, 274841, 358925, 520075, 578675, 728105, 810145, 981575, 1019347, 1134203, 1374205, 1643437, 3640525, 4050725, 5096735, 5671015, 6871025, 8217185, 11504059, 25483675, 28355075, 41085925, 57520295, 80528413, 287601475, 402642065, 2013210325]

約数ペア:

[(1, 2013210325), (5, 402642065), (7, 287601475), (25, 80528413), (35, 57520295), (49, 41085925), (71, 28355075), (79, 25483675), (175, 11504059), (245, 8217185), (293, 6871025), (355, 5671015), (395, 5096735), (497, 4050725), (553, 3640525), (1225, 1643437), (1465, 1374205), (1775, 1134203), (1975, 1019347), (2051, 981575), (2485, 810145), (2765, 728105), (3479, 578675), (3871, 520075), (5609, 358925), (7325, 274841), (10255, 196315), (12425, 162029), (13825, 145621), (14357, 140225), (17395, 115735), (19355, 104015), (20803, 96775), (23147, 86975), (28045, 71785), (39263, 51275)]