201645860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40819}}^1$

素因数の和:40860

約数の個数: 48

約数和(自身を含む): 480043200

約数和(自身を除く): 278397340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 40819, 81638, 163276, 204095, 408190, 530647, 775561, 816380, 1061294, 1551122, 2122588, 2653235, 3102244, 3877805, 5306470, 7755610, 10082293, 10612940, 15511220, 20164586, 40329172, 50411465, 100822930, 201645860]

約数ペア:

[(1, 201645860), (2, 100822930), (4, 50411465), (5, 40329172), (10, 20164586), (13, 15511220), (19, 10612940), (20, 10082293), (26, 7755610), (38, 5306470), (52, 3877805), (65, 3102244), (76, 2653235), (95, 2122588), (130, 1551122), (190, 1061294), (247, 816380), (260, 775561), (380, 530647), (494, 408190), (988, 204095), (1235, 163276), (2470, 81638), (4940, 40819)]