20216457100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{1951}}^1$

素因数の和:2216

約数の個数: 144

約数和(自身を含む): 50992736256

約数和(自身を除く): 30776279156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 113, 131, 140, 175, 226, 262, 350, 452, 524, 565, 655, 700, 791, 917, 1130, 1310, 1582, 1834, 1951, 2260, 2620, 2825, 3164, 3275, 3668, 3902, 3955, 4585, 5650, 6550, 7804, 7910, 9170, 9755, 11300, 13100, 13657, 14803, 15820, 18340, 19510, 19775, 22925, 27314, 29606, 39020, 39550, 45850, 48775, 54628, 59212, 68285, 74015, 79100, 91700, 97550, 103621, 136570, 148030, 195100, 207242, 220463, 255581, 273140, 296060, 341425, 370075, 414484, 440926, 511162, 518105, 682850, 740150, 881852, 1022324, 1036210, 1102315, 1277905, 1365700, 1480300, 1543241, 1789067, 2072420, 2204630, 2555810, 2590525, 3086482, 3578134, 4409260, 5111620, 5181050, 5511575, 6172964, 6389525, 7156268, 7716205, 8945335, 10362100, 11023150, 12779050, 15432410, 17890670, 22046300, 25558100, 28880653, 30864820, 35781340, 38581025, 44726675, 57761306, 77162050, 89453350, 115522612, 144403265, 154324100, 178906700, 202164571, 288806530, 404329142, 577613060, 722016325, 808658284, 1010822855, 1444032650, 2021645710, 2888065300, 4043291420, 5054114275, 10108228550, 20216457100]

約数ペア:

[(1, 20216457100), (2, 10108228550), (4, 5054114275), (5, 4043291420), (7, 2888065300), (10, 2021645710), (14, 1444032650), (20, 1010822855), (25, 808658284), (28, 722016325), (35, 577613060), (50, 404329142), (70, 288806530), (100, 202164571), (113, 178906700), (131, 154324100), (140, 144403265), (175, 115522612), (226, 89453350), (262, 77162050), (350, 57761306), (452, 44726675), (524, 38581025), (565, 35781340), (655, 30864820), (700, 28880653), (791, 25558100), (917, 22046300), (1130, 17890670), (1310, 15432410), (1582, 12779050), (1834, 11023150), (1951, 10362100), (2260, 8945335), (2620, 7716205), (2825, 7156268), (3164, 6389525), (3275, 6172964), (3668, 5511575), (3902, 5181050), (3955, 5111620), (4585, 4409260), (5650, 3578134), (6550, 3086482), (7804, 2590525), (7910, 2555810), (9170, 2204630), (9755, 2072420), (11300, 1789067), (13100, 1543241), (13657, 1480300), (14803, 1365700), (15820, 1277905), (18340, 1102315), (19510, 1036210), (19775, 1022324), (22925, 881852), (27314, 740150), (29606, 682850), (39020, 518105), (39550, 511162), (45850, 440926), (48775, 414484), (54628, 370075), (59212, 341425), (68285, 296060), (74015, 273140), (79100, 255581), (91700, 220463), (97550, 207242), (103621, 195100), (136570, 148030)]